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23042432 = 27725717
BaseRepresentation
bin101011111100…
…1100110000000
31121100200021102
41113321212000
521344324212
62141513532
7366600050
oct127714600
947320242
1023042432
1112009136
1278728a8
134a0a19a
1430bb560
1520525c2
hex15f9980

23042432 has 32 divisors (see below), whose sum is σ = 52464720. Its totient is φ = 9874944.

The previous prime is 23042423. The next prime is 23042471. The reversal of 23042432 is 23424032.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11963 + ... + 13754.

Almost surely, 223042432 is an apocalyptic number.

It is an amenable number.

23042432 is an abundant number, since it is smaller than the sum of its proper divisors (29422288).

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

23042432 is an equidigital number, since it uses as much as digits as its factorization.

23042432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25738 (or 25726 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 23042432 is about 4800.2533266485. The cubic root of 23042432 is about 284.5614760029.

Adding to 23042432 its reverse (23424032), we get a palindrome (46466464).

The spelling of 23042432 in words is "twenty-three million, forty-two thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 25717 51434 102868 180019 205736 360038 411472 720076 822944 1440152 1645888 2880304 3291776 5760608 11521216 23042432