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10431140 = 225521557
BaseRepresentation
bin100111110010…
…101010100100
3201121221211112
4213302222210
510132244030
61011324152
7154443326
oct47625244
921557745
1010431140
115985085
1235b0658
132212b95
141557616
15db0a95
hex9f2aa4

10431140 has 12 divisors (see below), whose sum is σ = 21905436. Its totient is φ = 4172448.

The previous prime is 10431139. The next prime is 10431173. The reversal of 10431140 is 4113401.

It is a happy number.

10431140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4946176 + 5484964 = 2224^2 + 2342^2 .

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, 260759 + ... + 260798.

It is an arithmetic number, because the mean of its divisors is an integer number (1825453).

Almost surely, 210431140 is an apocalyptic number.

10431140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10431140 is an abundant number, since it is smaller than the sum of its proper divisors (11474296).

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

10431140 is a wasteful number, since it uses less digits than its factorization.

10431140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521566 (or 521564 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 10431140 is about 3229.7275426884. The cubic root of 10431140 is about 218.4962183435.

Adding to 10431140 its reverse (4113401), we get a palindrome (14544541).

The spelling of 10431140 in words is "ten million, four hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 521557 1043114 2086228 2607785 5215570 10431140