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13061480 = 235326537
BaseRepresentation
bin110001110100…
…110101101000
3220120120222112
4301310311220
511320431410
61143541452
7216010055
oct61646550
926516875
1013061480
117411313
12445a888
1329241b3
141a4002c
151230105
hexc74d68

13061480 has 16 divisors (see below), whose sum is σ = 29388420. Its totient is φ = 5224576.

The previous prime is 13061471. The next prime is 13061527. The reversal of 13061480 is 8416031.

13061480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13060996 + 484 = 3614^2 + 22^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163229 + ... + 163308.

Almost surely, 213061480 is an apocalyptic number.

13061480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13061480 is an abundant number, since it is smaller than the sum of its proper divisors (16326940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13061480 is a wasteful number, since it uses less digits than its factorization.

13061480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326548 (or 326544 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13061480 is about 3614.0669611948. The cubic root of 13061480 is about 235.5035527913.

The spelling of 13061480 in words is "thirteen million, sixty-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 326537 653074 1306148 1632685 2612296 3265370 6530740 13061480