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27057985 = 512742611
BaseRepresentation
bin110011100110…
…1111101000001
31212220200120121
41213031331001
523411323420
62403540241
7445663153
oct147157501
955820517
1027057985
1114301079
12908a681
1357b4b56
143844ad3
1525972aa
hex19cdf41

27057985 has 8 divisors (see below), whose sum is σ = 32726016. Its totient is φ = 21475440.

The previous prime is 27057949. The next prime is 27058027. The reversal of 27057985 is 58975072.

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

It is not a de Polignac number, because 27057985 - 27 = 27057857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20671 + ... + 21940.

It is an arithmetic number, because the mean of its divisors is an integer number (4090752).

Almost surely, 227057985 is an apocalyptic number.

It is an amenable number.

27057985 is a deficient number, since it is larger than the sum of its proper divisors (5668031).

27057985 is a wasteful number, since it uses less digits than its factorization.

27057985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42743.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 27057985 is about 5201.7290394637. The cubic root of 27057985 is about 300.2146057040.

The spelling of 27057985 in words is "twenty-seven million, fifty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 127 635 42611 213055 5411597 27057985