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23087764 = 227824563
BaseRepresentation
bin101100000010…
…0101010010100
31121102222110101
41120010222110
521402302024
62142503444
7400146160
oct130045224
947388411
1023087764
111203a1a7
127894b84
134a249cb
1430cdca0
152060c44
hex1604a94

23087764 has 12 divisors (see below), whose sum is σ = 46175584. Its totient is φ = 9894744.

The previous prime is 23087747. The next prime is 23087767. The reversal of 23087764 is 46778032.

23087764 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23087767) 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, 412254 + ... + 412309.

Almost surely, 223087764 is an apocalyptic number.

It is an amenable number.

23087764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23087764 is a wasteful number, since it uses less digits than its factorization.

23087764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824574 (or 824572 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 23087764 is about 4804.9728407141. The cubic root of 23087764 is about 284.7479622605.

The spelling of 23087764 in words is "twenty-three million, eighty-seven thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 824563 1649126 3298252 5771941 11543882 23087764