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13252080 = 243555217
BaseRepresentation
bin110010100011…
…010111110000
3220221021102210
4302203113300
511343031310
61152012120
7220432542
oct62432760
926837383
1013252080
117531536
124531040
13298cb8a
141a8d692
15126b820
hexca35f0

13252080 has 40 divisors (see below), whose sum is σ = 41082192. Its totient is φ = 3533824.

The previous prime is 13252051. The next prime is 13252081. The reversal of 13252080 is 8025231.

13252080 = T355 + T356 + ... + T498.

13252080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13252081) 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, 27369 + ... + 27848.

Almost surely, 213252080 is an apocalyptic number.

13252080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13252080 is an abundant number, since it is smaller than the sum of its proper divisors (27830112).

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

13252080 is a wasteful number, since it uses less digits than its factorization.

13252080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55233 (or 55227 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 13252080 is about 3640.3406434014. The cubic root of 13252080 is about 236.6435561202.

The spelling of 13252080 in words is "thirteen million, two hundred fifty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 55217 110434 165651 220868 276085 331302 441736 552170 662604 828255 883472 1104340 1325208 1656510 2208680 2650416 3313020 4417360 6626040 13252080