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13352289 = 331143573
BaseRepresentation
bin110010111011…
…110101100001
3221010100220020
4302323311201
511404233124
61154104053
7221330646
oct62736541
927110806
1013352289
11759a855
12457b029
1329c6682
141ab7dcd
15128b379
hexcbbd61

13352289 has 8 divisors (see below), whose sum is σ = 18377472. Its totient is φ = 8614320.

The previous prime is 13352279. The next prime is 13352299. The reversal of 13352289 is 98225331.

It is an interprime number because it is at equal distance from previous prime (13352279) and next prime (13352299).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13352289 - 25 = 13352257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13352219) 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, 71694 + ... + 71879.

It is an arithmetic number, because the mean of its divisors is an integer number (2297184).

Almost surely, 213352289 is an apocalyptic number.

It is an amenable number.

13352289 is a deficient number, since it is larger than the sum of its proper divisors (5025183).

13352289 is a wasteful number, since it uses less digits than its factorization.

13352289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143607.

The product of its digits is 12960, while the sum is 33.

The square root of 13352289 is about 3654.0784063837. The cubic root of 13352289 is about 237.2385392289.

The spelling of 13352289 in words is "thirteen million, three hundred fifty-two thousand, two hundred eighty-nine".

Divisors: 1 3 31 93 143573 430719 4450763 13352289