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13146808 = 231643351
BaseRepresentation
bin110010001001…
…101010111000
3220201221000211
4302021222320
511331144213
61145440504
7216513613
oct62115270
926657024
1013146808
11746a434
1244a0134
132953c9c
141a6317a
15124a53d
hexc89ab8

13146808 has 8 divisors (see below), whose sum is σ = 24650280. Its totient is φ = 6573400.

The previous prime is 13146799. The next prime is 13146811. The reversal of 13146808 is 80864131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13146808.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 821668 + ... + 821683.

It is an arithmetic number, because the mean of its divisors is an integer number (3081285).

Almost surely, 213146808 is an apocalyptic number.

It is an amenable number.

13146808 is a deficient number, since it is larger than the sum of its proper divisors (11503472).

13146808 is a wasteful number, since it uses less digits than its factorization.

13146808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643357 (or 1643353 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 13146808 is about 3625.8527272905. The cubic root of 13146808 is about 236.0152724005.

The spelling of 13146808 in words is "thirteen million, one hundred forty-six thousand, eight hundred eight".

Divisors: 1 2 4 8 1643351 3286702 6573404 13146808