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13146836 = 2212372657
BaseRepresentation
bin110010001001…
…101011010100
3220201221001212
4302021223110
511331144321
61145440552
7216513653
oct62115324
926657055
1013146836
11746a45a
1244a0158
132953cc1
141a6319a
15124a55b
hexc89ad4

13146836 has 12 divisors (see below), whose sum is σ = 23034228. Its totient is φ = 6565632.

The previous prime is 13146827. The next prime is 13146839. The reversal of 13146836 is 63864131.

It can be written as a sum of positive squares in 2 ways, for example, as 9265936 + 3880900 = 3044^2 + 1970^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146839) 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 3 ways as a sum of consecutive naturals, for example, 3620 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (1919519).

Almost surely, 213146836 is an apocalyptic number.

It is an amenable number.

13146836 is a deficient number, since it is larger than the sum of its proper divisors (9887392).

13146836 is a wasteful number, since it uses less digits than its factorization.

13146836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898 (or 3896 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 13146836 is about 3625.8565884491. The cubic root of 13146836 is about 236.0154399551.

The spelling of 13146836 in words is "thirteen million, one hundred forty-six thousand, eight hundred thirty-six".

Divisors: 1 2 4 1237 2474 2657 4948 5314 10628 3286709 6573418 13146836