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23433988 = 225858497
BaseRepresentation
bin101100101100…
…1001100000100
31122002120101111
41121121030010
521444341423
62154134404
7403120444
oct131311404
948076344
1023433988
1112256336
127a21404
134b16486
143180124
1520cd60d
hex1659304

23433988 has 6 divisors (see below), whose sum is σ = 41009486. Its totient is φ = 11716992.

The previous prime is 23433961. The next prime is 23433989. The reversal of 23433988 is 88933432.

It can be written as a sum of positive squares in only one way, i.e., 14684224 + 8749764 = 3832^2 + 2958^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23433988.

It is not an unprimeable number, because it can be changed into a prime (23433989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2929245 + ... + 2929252.

Almost surely, 223433988 is an apocalyptic number.

It is an amenable number.

23433988 is a deficient number, since it is larger than the sum of its proper divisors (17575498).

23433988 is a wasteful number, since it uses less digits than its factorization.

23433988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858501 (or 5858499 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 23433988 is about 4840.8664513700. The cubic root of 23433988 is about 286.1642657504.

The spelling of 23433988 in words is "twenty-three million, four hundred thirty-three thousand, nine hundred eighty-eight".

Divisors: 1 2 4 5858497 11716994 23433988