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12634490 = 2511114859
BaseRepresentation
bin110000001100…
…100101111010
3212202220021002
4300030211322
511213300430
61130445002
7212251151
oct60144572
925686232
1012634490
11714a530
124293762
132804a3b
14196c598
151198845
hexc0c97a

12634490 has 16 divisors (see below), whose sum is σ = 24809760. Its totient is φ = 4594320.

The previous prime is 12634481. The next prime is 12634537. The reversal of 12634490 is 9443621.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 57320 + ... + 57539.

It is an arithmetic number, because the mean of its divisors is an integer number (1550610).

Almost surely, 212634490 is an apocalyptic number.

12634490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12634490 is a deficient number, since it is larger than the sum of its proper divisors (12175270).

12634490 is a wasteful number, since it uses less digits than its factorization.

12634490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114877.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 12634490 is about 3554.5027781674. The cubic root of 12634490 is about 232.9088040388.

The spelling of 12634490 in words is "twelve million, six hundred thirty-four thousand, four hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 114859 229718 574295 1148590 1263449 2526898 6317245 12634490