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23130004 = 2214713931
BaseRepresentation
bin101100000111…
…0111110010100
31121112010101211
41120032332110
521410130004
62143431204
7400413262
oct130167624
947463354
1023130004
1112068a07
1278b5504
134a3acc1
143101432
15206d504
hex160ef94

23130004 has 12 divisors (see below), whose sum is σ = 40515328. Its totient is φ = 11554200.

The previous prime is 23129993. The next prime is 23130007. The reversal of 23130004 is 40003132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130007) 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 3 ways as a sum of consecutive naturals, for example, 3919 + ... + 7849.

Almost surely, 223130004 is an apocalyptic number.

It is an amenable number.

23130004 is a deficient number, since it is larger than the sum of its proper divisors (17385324).

23130004 is a wasteful number, since it uses less digits than its factorization.

23130004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406 (or 5404 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23130004 is about 4809.3662784196. The cubic root of 23130004 is about 284.9215091125.

Adding to 23130004 its reverse (40003132), we get a palindrome (63133136).

The spelling of 23130004 in words is "twenty-three million, one hundred thirty thousand, four".

Divisors: 1 2 4 1471 2942 3931 5884 7862 15724 5782501 11565002 23130004