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1420223552 = 261119891193
BaseRepresentation
bin101010010100110…
…1110010001000000
310122222101211110022
41110221232101000
510402034123202
6352532153012
750123462306
oct12451562100
93588354408
101420223552
11669751a80
12337768768
1319830c887
14d6898276
1584a3bea2
hex54a6e440

1420223552 has 112 divisors (see below), whose sum is σ = 3275380800. Its totient is φ = 604200960.

The previous prime is 1420223551. The next prime is 1420223569. The reversal of 1420223552 is 2553220241.

It is not an unprimeable number, because it can be changed into a prime (1420223551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189868 + ... + 1191060.

Almost surely, 21420223552 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 1420223552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637690400).

1420223552 is an abundant number, since it is smaller than the sum of its proper divisors (1855157248).

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

1420223552 is a wasteful number, since it uses less digits than its factorization.

1420223552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1420223552 is about 37685.8534731536. The cubic root of 1420223552 is about 1124.0498451825.

Adding to 1420223552 its reverse (2553220241), we get a palindrome (3973443793).

The spelling of 1420223552 in words is "one billion, four hundred twenty million, two hundred twenty-three thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 16 19 22 32 38 44 64 76 88 89 152 176 178 209 304 352 356 418 608 704 712 836 979 1193 1216 1424 1672 1691 1958 2386 2848 3344 3382 3916 4772 5696 6688 6764 7832 9544 13123 13376 13528 15664 18601 19088 22667 26246 27056 31328 37202 38176 45334 52492 54112 62656 74404 76352 90668 104984 106177 108224 148808 181336 209968 212354 249337 297616 362672 419936 424708 498674 595232 725344 839872 849416 997348 1167947 1190464 1450688 1698832 1994696 2017363 2335894 3397664 3989392 4034726 4671788 6795328 7978784 8069452 9343576 15957568 16138904 18687152 22190993 32277808 37374304 44381986 64555616 74748608 88763972 129111232 177527944 355055888 710111776 1420223552