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23993388 = 2233222161
BaseRepresentation
bin101101110000…
…1110000101100
31200010222202000
41123201300230
522120242023
62214132300
7410640366
oct133416054
950128660
1023993388
11125a8651
128051090
134c80c93
143287d36
15218e243
hex16e1c2c

23993388 has 24 divisors (see below), whose sum is σ = 62205360. Its totient is φ = 7997760.

The previous prime is 23993377. The next prime is 23993399. The reversal of 23993388 is 88339932.

It is an interprime number because it is at equal distance from previous prime (23993377) and next prime (23993399).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110973 + ... + 111188.

It is an arithmetic number, because the mean of its divisors is an integer number (2591890).

Almost surely, 223993388 is an apocalyptic number.

It is an amenable number.

23993388 is an abundant number, since it is smaller than the sum of its proper divisors (38211972).

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

23993388 is a wasteful number, since it uses less digits than its factorization.

23993388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222174 (or 222166 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 23993388 is about 4898.3046046566. The cubic root of 23993388 is about 288.4234223114.

The spelling of 23993388 in words is "twenty-three million, nine hundred ninety-three thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 222161 444322 666483 888644 1332966 1999449 2665932 3998898 5998347 7997796 11996694 23993388