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230051356 = 22127452857
BaseRepresentation
bin11011011011001…
…00111000011100
3121000212211010121
431231210320130
5432343120411
634454444324
75462255443
oct1555447034
9530784117
10230051356
11108948a97
12650636a4
1338879782
14227a5d5a
15152e3571
hexdb64e1c

230051356 has 12 divisors (see below), whose sum is σ = 405760768. Its totient is φ = 114119712.

The previous prime is 230051347. The next prime is 230051387. The reversal of 230051356 is 653150032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 230051356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225921 + ... + 226936.

Almost surely, 2230051356 is an apocalyptic number.

It is an amenable number.

230051356 is a deficient number, since it is larger than the sum of its proper divisors (175709412).

230051356 is a wasteful number, since it uses less digits than its factorization.

230051356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452988 (or 452986 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 230051356 is about 15167.4439507783. The cubic root of 230051356 is about 612.7381662154.

The spelling of 230051356 in words is "two hundred thirty million, fifty-one thousand, three hundred fifty-six".

Divisors: 1 2 4 127 254 508 452857 905714 1811428 57512839 115025678 230051356