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12630332 = 22111371311
BaseRepresentation
bin110000001011…
…100100111100
3212202200120002
4300023210330
511213132312
61130413432
7212233061
oct60134474
925680502
1012630332
1171473a0
124291278
132802b90
14196ac68
1511974c2
hexc0b93c

12630332 has 48 divisors (see below), whose sum is σ = 26417664. Its totient is φ = 5208000.

The previous prime is 12630313. The next prime is 12630367. The reversal of 12630332 is 23303621.

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 15 ways as a sum of consecutive naturals, for example, 40457 + ... + 40767.

It is an arithmetic number, because the mean of its divisors is an integer number (550368).

Almost surely, 212630332 is an apocalyptic number.

It is an amenable number.

12630332 is an abundant number, since it is smaller than the sum of its proper divisors (13787332).

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

12630332 is a wasteful number, since it uses less digits than its factorization.

12630332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 12630332 is about 3553.9178381049. The cubic root of 12630332 is about 232.8832512051.

Adding to 12630332 its reverse (23303621), we get a palindrome (35933953).

Subtracting 12630332 from its reverse (23303621), we obtain a square (10673289 = 32672).

The spelling of 12630332 in words is "twelve million, six hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 4 11 13 22 26 44 52 71 142 143 284 286 311 572 622 781 923 1244 1562 1846 3124 3421 3692 4043 6842 8086 10153 13684 16172 20306 22081 40612 44162 44473 88324 88946 177892 242891 287053 485782 574106 971564 1148212 3157583 6315166 12630332