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13993627 = 27151637
BaseRepresentation
bin110101011000…
…011010011011
3222022221122111
4311120122123
512040244002
61215533151
7226641514
oct65303233
928287574
1013993627
11799868a
12482a1b7
132b8c56b
141c03a0b
1513663d7
hexd5869b

13993627 has 4 divisors (see below), whose sum is σ = 14045536. Its totient is φ = 13941720.

The previous prime is 13993621. The next prime is 13993691. The reversal of 13993627 is 72639931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13993627 is a prime.

It is a super-3 number, since 3×139936273 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13993627.

It is not an unprimeable number, because it can be changed into a prime (13993621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25548 + ... + 26089.

It is an arithmetic number, because the mean of its divisors is an integer number (3511384).

Almost surely, 213993627 is an apocalyptic number.

13993627 is a deficient number, since it is larger than the sum of its proper divisors (51909).

13993627 is an equidigital number, since it uses as much as digits as its factorization.

13993627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51908.

The product of its digits is 61236, while the sum is 40.

The square root of 13993627 is about 3740.8056618862. The cubic root of 13993627 is about 240.9776498273.

The spelling of 13993627 in words is "thirteen million, nine hundred ninety-three thousand, six hundred twenty-seven".

Divisors: 1 271 51637 13993627