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13970117 = 75573583
BaseRepresentation
bin110101010010…
…101011000101
3222021202101202
4311102223011
512034020432
61215232245
7226513130
oct65225305
928252352
1013970117
117981a57
124818685
132b81955
141bd9217
15135e462
hexd52ac5

13970117 has 8 divisors (see below), whose sum is σ = 15998976. Its totient is φ = 11949552.

The previous prime is 13970113. The next prime is 13970137. The reversal of 13970117 is 71107931.

13970117 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 13970117 - 22 = 13970113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13970117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970113) 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, 2108 + ... + 5690.

It is an arithmetic number, because the mean of its divisors is an integer number (1999872).

Almost surely, 213970117 is an apocalyptic number.

It is an amenable number.

13970117 is a deficient number, since it is larger than the sum of its proper divisors (2028859).

13970117 is an equidigital number, since it uses as much as digits as its factorization.

13970117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 13970117 is about 3737.6619697346. The cubic root of 13970117 is about 240.8426226414.

The spelling of 13970117 in words is "thirteen million, nine hundred seventy thousand, one hundred seventeen".

Divisors: 1 7 557 3583 3899 25081 1995731 13970117