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13070239 = 713143629
BaseRepresentation
bin110001110110…
…111110011111
3220121000222221
4301312332133
511321221424
61144050211
7216044440
oct61667637
926530887
1013070239
117417956
124463967
132928190
141a432c7
1512329e4
hexc76f9f

13070239 has 8 divisors (see below), whose sum is σ = 16086560. Its totient is φ = 10341216.

The previous prime is 13070231. The next prime is 13070243. The reversal of 13070239 is 93207031.

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 13070239 - 23 = 13070231 is a prime.

It is a super-2 number, since 2×130702392 = 341662295034242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13070231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71724 + ... + 71905.

It is an arithmetic number, because the mean of its divisors is an integer number (2010820).

Almost surely, 213070239 is an apocalyptic number.

13070239 is a deficient number, since it is larger than the sum of its proper divisors (3016321).

13070239 is a wasteful number, since it uses less digits than its factorization.

13070239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143649.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13070239 is about 3615.2785508174. The cubic root of 13070239 is about 235.5561837513.

The spelling of 13070239 in words is "thirteen million, seventy thousand, two hundred thirty-nine".

Divisors: 1 7 13 91 143629 1005403 1867177 13070239