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27039031 = 199313567
BaseRepresentation
bin110011100100…
…1010100110111
31212212201120121
41213021110313
523410222111
62403312411
7445553665
oct147112467
955781517
1027039031
1114298908
12907b707
1357a9336
14383bc35
152591871
hex19c9537

27039031 has 4 divisors (see below), whose sum is σ = 27054592. Its totient is φ = 27023472.

The previous prime is 27038969. The next prime is 27039079. The reversal of 27039031 is 13093072.

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

It is a cyclic number.

It is not a de Polignac number, because 27039031 - 29 = 27038519 is a prime.

It is a super-2 number, since 2×270390312 = 1462218394837922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27038987 and 27039005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27039731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4791 + ... + 8776.

It is an arithmetic number, because the mean of its divisors is an integer number (6763648).

Almost surely, 227039031 is an apocalyptic number.

27039031 is a deficient number, since it is larger than the sum of its proper divisors (15561).

27039031 is a wasteful number, since it uses less digits than its factorization.

27039031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15560.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 27039031 is about 5199.9068260883. The cubic root of 27039031 is about 300.1444896572.

The spelling of 27039031 in words is "twenty-seven million, thirty-nine thousand, thirty-one".

Divisors: 1 1993 13567 27039031