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13000477 = 77923509
BaseRepresentation
bin110001100101…
…111100011101
3220110111022011
4301211330131
511312003402
61142351221
7215334160
oct61457435
926414264
1013000477
11737a4a6
12442b511
1329024b9
141a25ad7
15121bed7
hexc65f1d

13000477 has 8 divisors (see below), whose sum is σ = 15046400. Its totient is φ = 11001744.

The previous prime is 13000469. The next prime is 13000483. The reversal of 13000477 is 77400031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13000477 - 23 = 13000469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11202 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (1880800).

Almost surely, 213000477 is an apocalyptic number.

It is an amenable number.

13000477 is a deficient number, since it is larger than the sum of its proper divisors (2045923).

13000477 is an equidigital number, since it uses as much as digits as its factorization.

13000477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23595.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 13000477 is about 3605.6174228556. The cubic root of 13000477 is about 235.1363446001.

The spelling of 13000477 in words is "thirteen million, four hundred seventy-seven", and thus it is an aban number.

Divisors: 1 7 79 553 23509 164563 1857211 13000477