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12930270 = 2352831523
BaseRepresentation
bin110001010100…
…110011011110
3220022220222220
4301110303132
511302232040
61141050210
7214622403
oct61246336
926286886
1012930270
117331781
1243b6966
1328a9562
141a082aa
1512062d0
hexc54cde

12930270 has 32 divisors (see below), whose sum is σ = 31162752. Its totient is φ = 3433632.

The previous prime is 12930257. The next prime is 12930287. The reversal of 12930270 is 7203921.

It is a self number, because there is not a number n which added to its sum of digits gives 12930270.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7729 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (973836).

Almost surely, 212930270 is an apocalyptic number.

12930270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12930270 is an abundant number, since it is smaller than the sum of its proper divisors (18232482).

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

12930270 is a wasteful number, since it uses less digits than its factorization.

12930270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 12930270 is about 3595.8684625553. The cubic root of 12930270 is about 234.7123082747.

The spelling of 12930270 in words is "twelve million, nine hundred thirty thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 283 566 849 1415 1523 1698 2830 3046 4245 4569 7615 8490 9138 15230 22845 45690 431009 862018 1293027 2155045 2586054 4310090 6465135 12930270