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252904371768 = 23331398423407
BaseRepresentation
bin1110101110001001000…
…1100111011000111000
3220011210100012020012000
43223202101213120320
513120422004344033
6312103242221000
724162130455636
oct3534221473070
9804710166160
10252904371768
119828aa197a4
12410211b4760
131ab05a00779
14c352444356
1568a2cbda13
hex3ae2467638

252904371768 has 64 divisors (see below), whose sum is σ = 707566272000. Its totient is φ = 83694962016.

The previous prime is 252904371763. The next prime is 252904371791. The reversal of 252904371768 is 867173409252.

It is a happy number.

252904371768 is a `hidden beast` number, since 2 + 52 + 90 + 437 + 1 + 76 + 8 = 666.

252904371768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252904371761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4181680 + ... + 4241727.

It is an arithmetic number, because the mean of its divisors is an integer number (11055723000).

It is a 1-persistent number, because it is pandigital, but 2⋅252904371768 = 505808743536 is not.

Almost surely, 2252904371768 is an apocalyptic number.

It is an amenable number.

252904371768 is an abundant number, since it is smaller than the sum of its proper divisors (454661900232).

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

252904371768 is a wasteful number, since it uses less digits than its factorization.

252904371768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423561 (or 8423551 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 252904371768 in words is "two hundred fifty-two billion, nine hundred four million, three hundred seventy-one thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 139 216 278 417 556 834 1112 1251 1668 2502 3336 3753 5004 7506 10008 15012 30024 8423407 16846814 25270221 33693628 50540442 67387256 75810663 101080884 151621326 202161768 227431989 303242652 454863978 606485304 909727956 1170853573 1819455912 2341707146 3512560719 4683414292 7025121438 9366828584 10537682157 14050242876 21075364314 28100485752 31613046471 42150728628 63226092942 84301457256 126452185884 252904371768