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252130936 = 23314797223
BaseRepresentation
bin11110000011100…
…11011001111000
3122120102120121211
433001303121320
51004021142221
641004012504
76151035421
oct1701633170
9576376554
10252130936
1111a359782
1270531134
134030a605
14256b2648
15172056e1
hexf073678

252130936 has 64 divisors (see below), whose sum is σ = 505774080. Its totient is φ = 117642240.

The previous prime is 252130933. The next prime is 252130939. The reversal of 252130936 is 639031252.

It is an interprime number because it is at equal distance from previous prime (252130933) and next prime (252130939).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 252130898 and 252130907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252130933) 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, 1130521 + ... + 1130743.

It is an arithmetic number, because the mean of its divisors is an integer number (7902720).

Almost surely, 2252130936 is an apocalyptic number.

It is an amenable number.

252130936 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

252130936 is a wasteful number, since it uses less digits than its factorization.

252130936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 252130936 is about 15878.6314271728. The cubic root of 252130936 is about 631.7453374987.

The spelling of 252130936 in words is "two hundred fifty-two million, one hundred thirty thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 31 47 62 94 97 124 188 194 223 248 376 388 446 776 892 1457 1784 2914 3007 4559 5828 6014 6913 9118 10481 11656 12028 13826 18236 20962 21631 24056 27652 36472 41924 43262 55304 83848 86524 141329 173048 282658 324911 565316 649822 670561 1016657 1130632 1299644 1341122 2033314 2599288 2682244 4066628 5364488 8133256 31516367 63032734 126065468 252130936