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23287952 = 2410331409
BaseRepresentation
bin101100011010…
…1100010010000
31121211011001202
41120311202100
521430203302
62151050332
7401641622
oct130654220
947734052
1023287952
1112166646
1279709a8
134a94b6c
143142c12
1520a0202
hex1635890

23287952 has 20 divisors (see below), whose sum is σ = 45196140. Its totient is φ = 11624448.

The previous prime is 23287951. The next prime is 23287963. The reversal of 23287952 is 25978232.

It can be written as a sum of positive squares in 2 ways, for example, as 10784656 + 12503296 = 3284^2 + 3536^2 .

It is not an unprimeable number, because it can be changed into a prime (23287951) 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, 15824 + ... + 17232.

It is an arithmetic number, because the mean of its divisors is an integer number (2259807).

Almost surely, 223287952 is an apocalyptic number.

It is an amenable number.

23287952 is a deficient number, since it is larger than the sum of its proper divisors (21908188).

23287952 is a wasteful number, since it uses less digits than its factorization.

23287952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2444 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 23287952 is about 4825.7592148801. The cubic root of 23287952 is about 285.5685868569.

The spelling of 23287952 in words is "twenty-three million, two hundred eighty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 1033 1409 2066 2818 4132 5636 8264 11272 16528 22544 1455497 2910994 5821988 11643976 23287952