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23153814 = 2321286323
BaseRepresentation
bin101100001010…
…0110010010110
31121120100001200
41120110302112
521411410224
62144133330
7400542555
oct130246226
947510050
1023153814
1112084892
127907246
134a48aa8
143109d9c
1520755c9
hex1614c96

23153814 has 12 divisors (see below), whose sum is σ = 50166636. Its totient is φ = 7717932.

The previous prime is 23153797. The next prime is 23153827. The reversal of 23153814 is 41835132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 643144 + ... + 643179.

It is an arithmetic number, because the mean of its divisors is an integer number (4180553).

Almost surely, 223153814 is an apocalyptic number.

23153814 is an abundant number, since it is smaller than the sum of its proper divisors (27012822).

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

23153814 is a wasteful number, since it uses less digits than its factorization.

23153814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286331 (or 1286328 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 23153814 is about 4811.8410198177. The cubic root of 23153814 is about 285.0192415448.

Adding to 23153814 its reverse (41835132), we get a palindrome (64988946).

It can be divided in two parts, 231 and 53814, that added together give a palindrome (54045).

The spelling of 23153814 in words is "twenty-three million, one hundred fifty-three thousand, eight hundred fourteen".

Divisors: 1 2 3 6 9 18 1286323 2572646 3858969 7717938 11576907 23153814