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230947052 = 22719434111
BaseRepresentation
bin11011100001111…
…11100011101100
3121002120022210112
431300333203230
5433110301202
634525555152
75503006010
oct1560774354
9532508715
10230947052
111093aaa36
1265415ab8
1338b0137b
142295a540
151541db52
hexdc3f8ec

230947052 has 24 divisors (see below), whose sum is σ = 486205440. Its totient is φ = 93767760.

The previous prime is 230947021. The next prime is 230947103. The reversal of 230947052 is 250749032.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216524 + ... + 217587.

It is an arithmetic number, because the mean of its divisors is an integer number (20258560).

Almost surely, 2230947052 is an apocalyptic number.

It is an amenable number.

230947052 is an abundant number, since it is smaller than the sum of its proper divisors (255258388).

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

230947052 is a wasteful number, since it uses less digits than its factorization.

230947052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434141 (or 434139 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 230947052 is about 15196.9421924281. The cubic root of 230947052 is about 613.5323604506.

The spelling of 230947052 in words is "two hundred thirty million, nine hundred forty-seven thousand, fifty-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 434111 868222 1736444 3038777 6077554 8248109 12155108 16496218 32992436 57736763 115473526 230947052