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12528470 = 251518297
BaseRepresentation
bin101111110010…
…101101010110
3212120111211102
4233302231112
511201402340
61124310102
7211330103
oct57625526
925514742
1012528470
117087909
124242332
1327986c6
141941aaa
151177215
hexbf2b56

12528470 has 16 divisors (see below), whose sum is σ = 22703328. Its totient is φ = 4977600.

The previous prime is 12528469. The next prime is 12528499. The reversal of 12528470 is 7482521.

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, 2639 + ... + 5658.

It is an arithmetic number, because the mean of its divisors is an integer number (1418958).

Almost surely, 212528470 is an apocalyptic number.

12528470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12528470 is a deficient number, since it is larger than the sum of its proper divisors (10174858).

12528470 is a wasteful number, since it uses less digits than its factorization.

12528470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8455.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 12528470 is about 3539.5578819960. The cubic root of 12528470 is about 232.2555027947.

The spelling of 12528470 in words is "twelve million, five hundred twenty-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 151 302 755 1510 8297 16594 41485 82970 1252847 2505694 6264235 12528470