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252813156 = 223371793181
BaseRepresentation
bin11110001000110…
…01111101100100
3122121201020110020
433010121331210
51004210010111
641030355140
76156606411
oct1704317544
9577636406
10252813156
1111a7852a2
12707bbab0
13404b8cab
142580d108
15172dc906
hexf119f64

252813156 has 48 divisors (see below), whose sum is σ = 609416640. Its totient is φ = 81509760.

The previous prime is 252813151. The next prime is 252813161. The reversal of 252813156 is 651318252.

252813156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252813151) and next prime (252813161).

It is not an unprimeable number, because it can be changed into a prime (252813151) 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, 77886 + ... + 81066.

It is an arithmetic number, because the mean of its divisors is an integer number (12696180).

Almost surely, 2252813156 is an apocalyptic number.

It is an amenable number.

252813156 is an abundant number, since it is smaller than the sum of its proper divisors (356603484).

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

252813156 is a wasteful number, since it uses less digits than its factorization.

252813156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3402 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 252813156 is about 15900.0992449733. The cubic root of 252813156 is about 632.3146199627.

The spelling of 252813156 in words is "two hundred fifty-two million, eight hundred thirteen thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 37 74 111 148 179 222 358 444 537 716 1074 2148 3181 6362 6623 9543 12724 13246 19086 19869 26492 38172 39738 79476 117697 235394 353091 470788 569399 706182 1138798 1412364 1708197 2277596 3416394 6832788 21067763 42135526 63203289 84271052 126406578 252813156