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1052780832 = 253231373187
BaseRepresentation
bin111110110000000…
…010100100100000
32201100222210210200
4332300002210200
54124002441312
6252244425200
735042326605
oct7660024440
92640883720
101052780832
114a02a3904
122546a8200
1313a15a24c
149db6a6ac
156265a0dc
hex3ec02920

1052780832 has 144 divisors (see below), whose sum is σ = 3174941952. Its totient is φ = 330324480.

The previous prime is 1052780791. The next prime is 1052780887. The reversal of 1052780832 is 2380872501.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×10527808322 = 2216694960453224448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328743 + ... + 331929.

It is an arithmetic number, because the mean of its divisors is an integer number (22048208).

Almost surely, 21052780832 is an apocalyptic number.

1052780832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052780832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587470976).

1052780832 is an abundant number, since it is smaller than the sum of its proper divisors (2122161120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052780832 is a wasteful number, since it uses less digits than its factorization.

1052780832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1052780832 is about 32446.5842886428. The cubic root of 1052780832 is about 1017.2928444331.

The spelling of 1052780832 in words is "one billion, fifty-two million, seven hundred eighty thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 37 48 62 72 74 93 96 111 124 144 148 186 222 248 279 288 296 333 372 444 496 558 592 666 744 888 992 1116 1147 1184 1332 1488 1776 2232 2294 2664 2976 3187 3441 3552 4464 4588 5328 6374 6882 8928 9176 9561 10323 10656 12748 13764 18352 19122 20646 25496 27528 28683 36704 38244 41292 50992 55056 57366 76488 82584 98797 101984 110112 114732 117919 152976 165168 197594 229464 235838 296391 305952 330336 353757 395188 458928 471676 592782 707514 790376 889173 917856 943352 1061271 1185564 1415028 1580752 1778346 1886704 2122542 2371128 2830056 3161504 3556692 3655489 3773408 4245084 4742256 5660112 7113384 7310978 8490168 9484512 10966467 11320224 14226768 14621956 16980336 21932934 28453536 29243912 32899401 33960672 43865868 58487824 65798802 87731736 116975648 131597604 175463472 263195208 350926944 526390416 1052780832