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10728132 = 223894011
BaseRepresentation
bin101000111011…
…001011000100
3202012001020020
4220323023010
510221300012
61021535140
7160121232
oct50731304
922161206
1010728132
116068228
1237144b0
1322b810c
1415d3952
15e1da8c
hexa3b2c4

10728132 has 12 divisors (see below), whose sum is σ = 25032336. Its totient is φ = 3576040.

The previous prime is 10728127. The next prime is 10728167. The reversal of 10728132 is 23182701.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 446994 + ... + 447017.

It is an arithmetic number, because the mean of its divisors is an integer number (2086028).

Almost surely, 210728132 is an apocalyptic number.

10728132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10728132 is an abundant number, since it is smaller than the sum of its proper divisors (14304204).

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

10728132 is a wasteful number, since it uses less digits than its factorization.

10728132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894018 (or 894016 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 10728132 is about 3275.3827257284. The cubic root of 10728132 is about 220.5504946549.

The spelling of 10728132 in words is "ten million, seven hundred twenty-eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 894011 1788022 2682033 3576044 5364066 10728132