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27157893 = 371293233
BaseRepresentation
bin110011110011…
…0010110000101
31220002202121220
41213212112011
523423023033
62410030553
7446560350
oct147462605
956082556
1027157893
111436a144
129118459
13581b479
14386d297
1525b6bb3
hex19e6585

27157893 has 8 divisors (see below), whose sum is σ = 41383488. Its totient is φ = 15518784.

The previous prime is 27157873. The next prime is 27157901. The reversal of 27157893 is 39875172.

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

It is not a de Polignac number, because 27157893 - 25 = 27157861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27157813) 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 7 ways as a sum of consecutive naturals, for example, 646596 + ... + 646637.

It is an arithmetic number, because the mean of its divisors is an integer number (5172936).

Almost surely, 227157893 is an apocalyptic number.

It is an amenable number.

27157893 is a deficient number, since it is larger than the sum of its proper divisors (14225595).

27157893 is a wasteful number, since it uses less digits than its factorization.

27157893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293243.

The product of its digits is 105840, while the sum is 42.

The square root of 27157893 is about 5211.3235363005. The cubic root of 27157893 is about 300.5836526511.

The spelling of 27157893 in words is "twenty-seven million, one hundred fifty-seven thousand, eight hundred ninety-three".

Divisors: 1 3 7 21 1293233 3879699 9052631 27157893