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13252093 = 43930187
BaseRepresentation
bin110010100011…
…010111111101
3220221021110021
4302203113331
511343031333
61152012141
7220432561
oct62432775
926837407
1013252093
117531548
124531051
13298cb9a
141a8d6a1
15126b82d
hexca35fd

13252093 has 4 divisors (see below), whose sum is σ = 13282720. Its totient is φ = 13221468.

The previous prime is 13252087. The next prime is 13252123. The reversal of 13252093 is 39025231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13252093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13252193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14655 + ... + 15532.

It is an arithmetic number, because the mean of its divisors is an integer number (3320680).

Almost surely, 213252093 is an apocalyptic number.

It is an amenable number.

13252093 is a deficient number, since it is larger than the sum of its proper divisors (30627).

13252093 is an equidigital number, since it uses as much as digits as its factorization.

13252093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30626.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13252093 is about 3640.3424289481. The cubic root of 13252093 is about 236.6436335009.

It can be divided in two parts, 132 and 52093, that added together give a palindrome (52225).

The spelling of 13252093 in words is "thirteen million, two hundred fifty-two thousand, ninety-three".

Divisors: 1 439 30187 13252093