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13152307 = 716311527
BaseRepresentation
bin110010001011…
…000000110011
3220202012120111
4302023000303
511331333212
61145522151
7216535630
oct62130063
926665514
1013152307
117473583
1244a3357
13295663c
141a65187
15124bea7
hexc8b033

13152307 has 8 divisors (see below), whose sum is σ = 15124736. Its totient is φ = 11203272.

The previous prime is 13152299. The next prime is 13152323. The reversal of 13152307 is 70325131.

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 13152307 - 23 = 13152299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13152397) 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, 4623 + ... + 6904.

It is an arithmetic number, because the mean of its divisors is an integer number (1890592).

Almost surely, 213152307 is an apocalyptic number.

13152307 is a deficient number, since it is larger than the sum of its proper divisors (1972429).

13152307 is a wasteful number, since it uses less digits than its factorization.

13152307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11697.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13152307 is about 3626.6109523907. The cubic root of 13152307 is about 236.0481743559.

Adding to 13152307 its reverse (70325131), we get a palindrome (83477438).

The spelling of 13152307 in words is "thirteen million, one hundred fifty-two thousand, three hundred seven".

Divisors: 1 7 163 1141 11527 80689 1878901 13152307