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52487344 = 2471324759
BaseRepresentation
bin1100100000111…
…0010010110000
310122202122002201
43020032102300
5101414043334
65112552544
71205064220
oct310162260
9118678081
1052487344
112769a578
12156b2754
13ab49600
146d84080
15491bc14
hex320e4b0

52487344 has 120 divisors (see below), whose sum is σ = 130705920. Its totient is φ = 19977984.

The previous prime is 52487327. The next prime is 52487359. The reversal of 52487344 is 44378425.

Its product of digits (107520) is a multiple of the sum of its prime divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 889587 + ... + 889645.

It is an arithmetic number, because the mean of its divisors is an integer number (1089216).

Almost surely, 252487344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52487344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65352960).

52487344 is an abundant number, since it is smaller than the sum of its proper divisors (78218576).

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

52487344 is a wasteful number, since it uses less digits than its factorization.

52487344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 128 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 52487344 is about 7244.8149734828. The cubic root of 52487344 is about 374.4135283178.

The spelling of 52487344 in words is "fifty-two million, four hundred eighty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 47 52 56 59 91 94 104 112 118 169 182 188 208 236 329 338 364 376 413 472 611 658 676 728 752 767 826 944 1183 1222 1316 1352 1456 1534 1652 2366 2444 2632 2704 2773 3068 3304 4277 4732 4888 5264 5369 5546 6136 6608 7943 8554 9464 9776 9971 10738 11092 12272 15886 17108 18928 19411 19942 21476 22184 31772 34216 36049 38822 39884 42952 44368 55601 63544 68432 69797 72098 77644 79768 85904 111202 127088 139594 144196 155288 159536 222404 252343 279188 288392 310576 444808 468637 504686 558376 576784 889616 937274 1009372 1116752 1874548 2018744 3280459 3749096 4037488 6560918 7498192 13121836 26243672 52487344