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23013204 = 2231917767
BaseRepresentation
bin101011111001…
…0011101010100
31121022012011220
41113302131110
521342410304
62141130340
7366415614
oct127623524
947265156
1023013204
1111a99185
1278599b0
1349c9aa6
1430b0a44
152048ad9
hex15f2754

23013204 has 12 divisors (see below), whose sum is σ = 53697504. Its totient is φ = 7671064.

The previous prime is 23013173. The next prime is 23013209. The reversal of 23013204 is 40231032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958872 + ... + 958895.

It is an arithmetic number, because the mean of its divisors is an integer number (4474792).

Almost surely, 223013204 is an apocalyptic number.

It is an amenable number.

23013204 is an abundant number, since it is smaller than the sum of its proper divisors (30684300).

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

23013204 is a wasteful number, since it uses less digits than its factorization.

23013204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917774 (or 1917772 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23013204 is about 4797.2079379572. The cubic root of 23013204 is about 284.4411084723.

Adding to 23013204 its reverse (40231032), we get a palindrome (63244236).

The spelling of 23013204 in words is "twenty-three million, thirteen thousand, two hundred four".

Divisors: 1 2 3 4 6 12 1917767 3835534 5753301 7671068 11506602 23013204