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23129804 = 225782451
BaseRepresentation
bin101100000111…
…0111011001100
31121112010010102
41120032323030
521410123204
62143430232
7400412555
oct130167314
947463112
1023129804
1112068845
1278b5378
134a3ab99
14310132c
15206d41e
hex160eecc

23129804 has 6 divisors (see below), whose sum is σ = 40477164. Its totient is φ = 11564900.

The previous prime is 23129803. The next prime is 23129819. The reversal of 23129804 is 40892132.

It is not an unprimeable number, because it can be changed into a prime (23129803) 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 as a sum of consecutive naturals, namely, 2891222 + ... + 2891229.

It is an arithmetic number, because the mean of its divisors is an integer number (6746194).

Almost surely, 223129804 is an apocalyptic number.

It is an amenable number.

23129804 is a deficient number, since it is larger than the sum of its proper divisors (17347360).

23129804 is a wasteful number, since it uses less digits than its factorization.

23129804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782455 (or 5782453 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 23129804 is about 4809.3454856144. The cubic root of 23129804 is about 284.9206878925.

The spelling of 23129804 in words is "twenty-three million, one hundred twenty-nine thousand, eight hundred four".

Divisors: 1 2 4 5782451 11564902 23129804