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23130670 = 2513117657
BaseRepresentation
bin101100000111…
…1001000101110
31121112011022111
41120033020232
521410140140
62143434234
7400415233
oct130171056
947464274
1023130670
1112069462
1278b597a
134a3b3b4
14310178a
15206d7ea
hex160f22e

23130670 has 16 divisors (see below), whose sum is σ = 41955408. Its totient is φ = 9181120.

The previous prime is 23130649. The next prime is 23130677. The reversal of 23130670 is 7603132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7519 + ... + 10138.

It is an arithmetic number, because the mean of its divisors is an integer number (2622213).

Almost surely, 223130670 is an apocalyptic number.

23130670 is a deficient number, since it is larger than the sum of its proper divisors (18824738).

23130670 is a wasteful number, since it uses less digits than its factorization.

23130670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17795.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 23130670 is about 4809.4355178129. The cubic root of 23130670 is about 284.9242437410.

The spelling of 23130670 in words is "twenty-three million, one hundred thirty thousand, six hundred seventy".

Divisors: 1 2 5 10 131 262 655 1310 17657 35314 88285 176570 2313067 4626134 11565335 23130670