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27313887 = 319479191
BaseRepresentation
bin110100000110…
…0011011011111
31220101200121110
41220030123133
523443021022
62413233103
7451110216
oct150143337
956350543
1027313887
1114466367
129192793
135874483
1438b007d
1525e800c
hex1a0c6df

27313887 has 8 divisors (see below), whose sum is σ = 38335360. Its totient is φ = 17250840.

The previous prime is 27313877. The next prime is 27313927. The reversal of 27313887 is 78831372.

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

It is not a de Polignac number, because 27313887 - 215 = 27281119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27313817) 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, 239539 + ... + 239652.

It is an arithmetic number, because the mean of its divisors is an integer number (4791920).

Almost surely, 227313887 is an apocalyptic number.

27313887 is a deficient number, since it is larger than the sum of its proper divisors (11021473).

27313887 is a wasteful number, since it uses less digits than its factorization.

27313887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479213.

The product of its digits is 56448, while the sum is 39.

The square root of 27313887 is about 5226.2689368229. The cubic root of 27313887 is about 301.1580682850.

The spelling of 27313887 in words is "twenty-seven million, three hundred thirteen thousand, eight hundred eighty-seven".

Divisors: 1 3 19 57 479191 1437573 9104629 27313887