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504722961 = 3386321661
BaseRepresentation
bin11110000101010…
…111011000010001
31022011201120202000
4132011113120101
52013202113321
6122025544213
715336034341
oct3605273021
91264646660
10504722961
112399a2916
12121045069
1380749a52
144b064d21
152e49c826
hex1e157611

504722961 has 16 divisors (see below), whose sum is σ = 748638720. Its totient is φ = 336076560.

The previous prime is 504722947. The next prime is 504722983. The reversal of 504722961 is 169227405.

504722961 is a `hidden beast` number, since 504 + 72 + 29 + 61 = 666.

It is not a de Polignac number, because 504722961 - 211 = 504720913 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (504722921) 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, 12471 + ... + 34131.

It is an arithmetic number, because the mean of its divisors is an integer number (46789920).

Almost surely, 2504722961 is an apocalyptic number.

It is an amenable number.

504722961 is a deficient number, since it is larger than the sum of its proper divisors (243915759).

504722961 is a wasteful number, since it uses less digits than its factorization.

504722961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22533 (or 22527 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 504722961 is about 22466.0401717793. The cubic root of 504722961 is about 796.1917760741.

The spelling of 504722961 in words is "five hundred four million, seven hundred twenty-two thousand, nine hundred sixty-one".

Divisors: 1 3 9 27 863 2589 7767 21661 23301 64983 194949 584847 18693443 56080329 168240987 504722961