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23089100 = 2252230891
BaseRepresentation
bin101100000010…
…0111111001100
31121110001021212
41120010333030
521402322400
62142513552
7400153106
oct130047714
947401255
1023089100
1112040201
1278958b8
134a254b8
1430d0576
152061335
hex1604fcc

23089100 has 18 divisors (see below), whose sum is σ = 50103564. Its totient is φ = 9235600.

The previous prime is 23089091. The next prime is 23089103. The reversal of 23089100 is 198032.

It is not an unprimeable number, because it can be changed into a prime (23089103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115346 + ... + 115545.

Almost surely, 223089100 is an apocalyptic number.

23089100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23089100 is an abundant number, since it is smaller than the sum of its proper divisors (27014464).

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

23089100 is a wasteful number, since it uses less digits than its factorization.

23089100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230905 (or 230898 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 23089100 is about 4805.1118613410. Note that the first 3 decimals coincide. The cubic root of 23089100 is about 284.7534545773.

The spelling of 23089100 in words is "twenty-three million, eighty-nine thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 230891 461782 923564 1154455 2308910 4617820 5772275 11544550 23089100