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27455113 = 743531721
BaseRepresentation
bin110100010111…
…0111010001001
31220122212100001
41220232322021
524012030423
62420243001
7452236030
oct150567211
956585301
1027455113
1114552484
129240461
1358c383a
143909717
152624cad
hex1a2ee89

27455113 has 16 divisors (see below), whose sum is σ = 32731776. Its totient is φ = 22538880.

The previous prime is 27455101. The next prime is 27455143. The reversal of 27455113 is 31155472.

It is a happy number.

It is not a de Polignac number, because 27455113 - 221 = 25357961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27455143) 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 15 ways as a sum of consecutive naturals, for example, 15093 + ... + 16813.

It is an arithmetic number, because the mean of its divisors is an integer number (2045736).

Almost surely, 227455113 is an apocalyptic number.

It is an amenable number.

27455113 is a deficient number, since it is larger than the sum of its proper divisors (5276663).

27455113 is a wasteful number, since it uses less digits than its factorization.

27455113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824.

The product of its digits is 4200, while the sum is 28.

The square root of 27455113 is about 5239.7626854658. The cubic root of 27455113 is about 301.6762205427.

The spelling of 27455113 in words is "twenty-seven million, four hundred fifty-five thousand, one hundred thirteen".

Divisors: 1 7 43 53 301 371 1721 2279 12047 15953 74003 91213 518021 638491 3922159 27455113