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12738170 = 251967043
BaseRepresentation
bin110000100101…
…111001111010
3212222011111002
4300211321322
511230110140
61133005002
7213162344
oct60457172
925864432
1012738170
117210415
124323762
13283cca3
141998294
1511b9415
hexc25e7a

12738170 has 16 divisors (see below), whose sum is σ = 24135840. Its totient is φ = 4827024.

The previous prime is 12738169. The next prime is 12738211. The reversal of 12738170 is 7183721.

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 7 ways as a sum of consecutive naturals, for example, 33332 + ... + 33711.

It is an arithmetic number, because the mean of its divisors is an integer number (1508490).

Almost surely, 212738170 is an apocalyptic number.

12738170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12738170 is a deficient number, since it is larger than the sum of its proper divisors (11397670).

12738170 is a wasteful number, since it uses less digits than its factorization.

12738170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67069.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 12738170 is about 3569.0572985033. The cubic root of 12738170 is about 233.5441609240.

The spelling of 12738170 in words is "twelve million, seven hundred thirty-eight thousand, one hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 67043 134086 335215 670430 1273817 2547634 6369085 12738170