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13252171 = 79271619
BaseRepresentation
bin110010100011…
…011001001011
3220221021120011
4302203121023
511343032141
61152012351
7220433032
oct62433113
926837504
1013252171
117531609
1245310b7
13298cc2a
141a8d719
15126b881
hexca364b

13252171 has 8 divisors (see below), whose sum is σ = 13491200. Its totient is φ = 13015080.

The previous prime is 13252157. The next prime is 13252193. The reversal of 13252171 is 17125231.

It is a happy number.

13252171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13252171 - 29 = 13251659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13252871) 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, 21100 + ... + 21718.

It is an arithmetic number, because the mean of its divisors is an integer number (1686400).

Almost surely, 213252171 is an apocalyptic number.

13252171 is a deficient number, since it is larger than the sum of its proper divisors (239029).

13252171 is an equidigital number, since it uses as much as digits as its factorization.

13252171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its digits is 420, while the sum is 22.

The square root of 13252171 is about 3640.3531422102. The cubic root of 13252171 is about 236.6440977839.

The spelling of 13252171 in words is "thirteen million, two hundred fifty-two thousand, one hundred seventy-one".

Divisors: 1 79 271 619 21409 48901 167749 13252171