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12752470 = 253121327
BaseRepresentation
bin110000101001…
…011001010110
3212222220002201
4300221121112
511231034340
61133155114
7213252133
oct60513126
925886081
1012752470
117220135
12432ba9a
132846653
14199d58a
1511bd79a
hexc29656

12752470 has 24 divisors (see below), whose sum is σ = 23736672. Its totient is φ = 4932720.

The previous prime is 12752429. The next prime is 12752471. The reversal of 12752470 is 7425721.

It is a super-2 number, since 2×127524702 = 325250982201800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12752471) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8947 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (989028).

Almost surely, 212752470 is an apocalyptic number.

12752470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12752470 is a deficient number, since it is larger than the sum of its proper divisors (10984202).

12752470 is a wasteful number, since it uses less digits than its factorization.

12752470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12752470 is about 3571.0600667029. The cubic root of 12752470 is about 233.6315212633.

The spelling of 12752470 in words is "twelve million, seven hundred fifty-two thousand, four hundred seventy".

Divisors: 1 2 5 10 31 62 155 310 961 1327 1922 2654 4805 6635 9610 13270 41137 82274 205685 411370 1275247 2550494 6376235 12752470