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230457670 = 25107215381
BaseRepresentation
bin11011011110010…
…00000101000110
3121001122110111021
431233020011012
5432444121140
634511301354
75465600152
oct1557100506
9531573437
10230457670
111090a6293
126521a85a
133898c6b1
1422870062
1515373b4a
hexdbc8146

230457670 has 16 divisors (see below), whose sum is σ = 418702608. Its totient is φ = 91321120.

The previous prime is 230457649. The next prime is 230457671. The reversal of 230457670 is 76754032.

It is a happy number.

It is a super-2 number, since 2×2304576702 = 106221475323657800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230457671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106621 + ... + 108760.

It is an arithmetic number, because the mean of its divisors is an integer number (26168913).

Almost surely, 2230457670 is an apocalyptic number.

230457670 is a deficient number, since it is larger than the sum of its proper divisors (188244938).

230457670 is a wasteful number, since it uses less digits than its factorization.

230457670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215495.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 230457670 is about 15180.8323223728. The cubic root of 230457670 is about 613.0986910286.

The spelling of 230457670 in words is "two hundred thirty million, four hundred fifty-seven thousand, six hundred seventy".

Divisors: 1 2 5 10 107 214 535 1070 215381 430762 1076905 2153810 23045767 46091534 115228835 230457670