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23128150 = 252617583
BaseRepresentation
bin101100000111…
…0100001010110
31121112000212011
41120032201112
521410100100
62143414434
7400405003
oct130164126
947460764
1023128150
1112067581
1278b441a
134a3a1c6
1431008aa
15206cbba
hex160e856

23128150 has 24 divisors (see below), whose sum is σ = 43729344. Its totient is φ = 9098400.

The previous prime is 23128129. The next prime is 23128159. The reversal of 23128150 is 5182132.

It is a super-2 number, since 2×231281502 = 1069822644845000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23128159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742 + ... + 6841.

It is an arithmetic number, because the mean of its divisors is an integer number (1822056).

Almost surely, 223128150 is an apocalyptic number.

23128150 is a deficient number, since it is larger than the sum of its proper divisors (20601194).

23128150 is a wasteful number, since it uses less digits than its factorization.

23128150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656 (or 7651 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 23128150 is about 4809.1735256695. The cubic root of 23128150 is about 284.9138962216.

The spelling of 23128150 in words is "twenty-three million, one hundred twenty-eight thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 61 122 305 610 1525 3050 7583 15166 37915 75830 189575 379150 462563 925126 2312815 4625630 11564075 23128150