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10155140 = 225507757
BaseRepresentation
bin100110101111…
…010010000100
3201002221020022
4212233102010
510044431030
61001354312
7152213552
oct46572204
921087208
1010155140
115806786
123498998
132147378
1414c4bd2
15d58de5
hex9af484

10155140 has 12 divisors (see below), whose sum is σ = 21325836. Its totient is φ = 4062048.

The previous prime is 10155127. The next prime is 10155151. The reversal of 10155140 is 4155101.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 4318084 = 2416^2 + 2078^2 .

It is a congruent number.

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, 253859 + ... + 253898.

It is an arithmetic number, because the mean of its divisors is an integer number (1777153).

Almost surely, 210155140 is an apocalyptic number.

10155140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10155140 is an abundant number, since it is smaller than the sum of its proper divisors (11170696).

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

10155140 is a wasteful number, since it uses less digits than its factorization.

10155140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507766 (or 507764 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 10155140 is about 3186.7130401089. The cubic root of 10155140 is about 216.5518866086.

The spelling of 10155140 in words is "ten million, one hundred fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 507757 1015514 2031028 2538785 5077570 10155140