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13053180 = 2235731079
BaseRepresentation
bin110001110010…
…110011111100
3220120011121010
4301302303330
511320200210
61143435220
7215643630
oct61626374
926504533
1013053180
117406058
124455b10
13292049a
141a3adc0
15122c920
hexc72cfc

13053180 has 48 divisors (see below), whose sum is σ = 41771520. Its totient is φ = 2983488.

The previous prime is 13053163. The next prime is 13053191. The reversal of 13053180 is 8135031.

It is a happy number.

It is a super-2 number, since 2×130531802 = 340771016224800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15120 + ... + 15959.

It is an arithmetic number, because the mean of its divisors is an integer number (870240).

Almost surely, 213053180 is an apocalyptic number.

13053180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13053180 is an abundant number, since it is smaller than the sum of its proper divisors (28718340).

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

13053180 is a wasteful number, since it uses less digits than its factorization.

13053180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31098 (or 31096 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 13053180 is about 3612.9184878710. The cubic root of 13053180 is about 235.4536581476.

The spelling of 13053180 in words is "thirteen million, fifty-three thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 31079 62158 93237 124316 155395 186474 217553 310790 372948 435106 466185 621580 652659 870212 932370 1087765 1305318 1864740 2175530 2610636 3263295 4351060 6526590 13053180