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10646140 = 225532307
BaseRepresentation
bin101000100111…
…001001111100
3202000212202111
4220213021330
510211134030
61020103404
7156330211
oct50471174
922025674
1010646140
11601166a
123694b64
1322899bb
1415b1b08
15e0462a
hexa2727c

10646140 has 12 divisors (see below), whose sum is σ = 22356936. Its totient is φ = 4258448.

The previous prime is 10646123. The next prime is 10646143. The reversal of 10646140 is 4164601.

10646140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106461402 = 226680593799200, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10646143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266134 + ... + 266173.

It is an arithmetic number, because the mean of its divisors is an integer number (1863078).

Almost surely, 210646140 is an apocalyptic number.

10646140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10646140 is an abundant number, since it is smaller than the sum of its proper divisors (11710796).

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

10646140 is a wasteful number, since it uses less digits than its factorization.

10646140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532316 (or 532314 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10646140 is about 3262.8423192058. The cubic root of 10646140 is about 219.9871893367.

The spelling of 10646140 in words is "ten million, six hundred forty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 532307 1064614 2129228 2661535 5323070 10646140