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10631620 = 225531581
BaseRepresentation
bin101000100011…
…100111000100
3202000010211201
4220203213010
510210202440
61015512244
7156236656
oct50434704
922003751
1010631620
11600176a
123688684
1322831cc
1415aa6d6
15e0019a
hexa239c4

10631620 has 12 divisors (see below), whose sum is σ = 22326444. Its totient is φ = 4252640.

The previous prime is 10631609. The next prime is 10631639. The reversal of 10631620 is 2613601.

It can be written as a sum of positive squares in 2 ways, for example, as 6230016 + 4401604 = 2496^2 + 2098^2 .

It is a super-2 number, since 2×106316202 = 226062687648800, which contains 22 as substring.

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, 265771 + ... + 265810.

It is an arithmetic number, because the mean of its divisors is an integer number (1860537).

Almost surely, 210631620 is an apocalyptic number.

10631620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10631620 is an abundant number, since it is smaller than the sum of its proper divisors (11694824).

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

10631620 is a wasteful number, since it uses less digits than its factorization.

10631620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531590 (or 531588 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10631620 is about 3260.6165061227. The cubic root of 10631620 is about 219.8871321874.

The spelling of 10631620 in words is "ten million, six hundred thirty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 531581 1063162 2126324 2657905 5315810 10631620