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252936108 = 2234780667
BaseRepresentation
bin11110001001101…
…11111110101100
3122121221111010000
433010313332230
51004222423413
641033144300
76160631025
oct1704677654
9577844100
10252936108
1111a859707
127085b090
134052cc49
1425841c4c
1517314073
hexf137fac

252936108 has 30 divisors (see below), whose sum is σ = 661225796. Its totient is φ = 84311928.

The previous prime is 252936077. The next prime is 252936119. The reversal of 252936108 is 801639252.

It is a super-3 number, since 3×2529361083 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 390010 + ... + 390657.

Almost surely, 2252936108 is an apocalyptic number.

It is an amenable number.

252936108 is an abundant number, since it is smaller than the sum of its proper divisors (408289688).

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

252936108 is a wasteful number, since it uses less digits than its factorization.

252936108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780683 (or 780672 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 252936108 is about 15903.9651659578. The cubic root of 252936108 is about 632.4171090216.

The spelling of 252936108 in words is "two hundred fifty-two million, nine hundred thirty-six thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 780667 1561334 2342001 3122668 4684002 7026003 9368004 14052006 21078009 28104012 42156018 63234027 84312036 126468054 252936108