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12641044 = 2213283859
BaseRepresentation
bin110000001110…
…001100010100
3212210020020211
4300032030110
511214003134
61130535204
7212306233
oct60161424
925706224
1012641044
117154449
124297504
132807a10
141970b1a
15119a764
hexc0e314

12641044 has 24 divisors (see below), whose sum is σ = 23935520. Its totient is φ = 5806944.

The previous prime is 12641021. The next prime is 12641051. The reversal of 12641044 is 44014621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14287 + ... + 15145.

Almost surely, 212641044 is an apocalyptic number.

It is an amenable number.

12641044 is a deficient number, since it is larger than the sum of its proper divisors (11294476).

12641044 is a wasteful number, since it uses less digits than its factorization.

12641044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 12641044 is about 3555.4245878657. The cubic root of 12641044 is about 232.9490700205.

Adding to 12641044 its reverse (44014621), we get a palindrome (56655665).

The spelling of 12641044 in words is "twelve million, six hundred forty-one thousand, forty-four".

Divisors: 1 2 4 13 26 52 283 566 859 1132 1718 3436 3679 7358 11167 14716 22334 44668 243097 486194 972388 3160261 6320522 12641044