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23532993 = 3211237707
BaseRepresentation
bin101100111000…
…1010111000001
31122021121012100
41121301113001
522011023433
62200221013
7404012211
oct131612701
948247170
1023532993
1112313760
127a6a769
134b4c563
1431a8241
1520ecb13
hex16715c1

23532993 has 12 divisors (see below), whose sum is σ = 37082448. Its totient is φ = 14262360.

The previous prime is 23532989. The next prime is 23533009. The reversal of 23532993 is 39923532.

It is not a de Polignac number, because 23532993 - 22 = 23532989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23532923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118755 + ... + 118952.

It is an arithmetic number, because the mean of its divisors is an integer number (3090204).

Almost surely, 223532993 is an apocalyptic number.

It is an amenable number.

23532993 is a deficient number, since it is larger than the sum of its proper divisors (13549455).

23532993 is a wasteful number, since it uses less digits than its factorization.

23532993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237724 (or 237721 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 23532993 is about 4851.0816319662. The cubic root of 23532993 is about 286.5666995643.

The spelling of 23532993 in words is "twenty-three million, five hundred thirty-two thousand, nine hundred ninety-three".

Divisors: 1 3 9 11 33 99 237707 713121 2139363 2614777 7844331 23532993