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27053031 = 337251971
BaseRepresentation
bin110011100110…
…0101111100111
31212220102210010
41213030233213
523411144111
62403501303
7445642545
oct147145747
955812703
1027053031
11142a8385
129087833
1357b2815
143842d95
152595aa6
hex19ccbe7

27053031 has 16 divisors (see below), whose sum is σ = 37231488. Its totient is φ = 17460000.

The previous prime is 27053023. The next prime is 27053041. The reversal of 27053031 is 13035072.

It is a happy number.

It is not a de Polignac number, because 27053031 - 23 = 27053023 is a prime.

It is a super-2 number, since 2×270530312 = 1463732972573922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27052989 and 27053007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27053021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27376 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (2326968).

Almost surely, 227053031 is an apocalyptic number.

27053031 is a deficient number, since it is larger than the sum of its proper divisors (10178457).

27053031 is a wasteful number, since it uses less digits than its factorization.

27053031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 27053031 is about 5201.2528298478. The cubic root of 27053031 is about 300.1962826602.

It can be divided in two parts, 270 and 53031, that added together give a triangular number (53301 = T326).

The spelling of 27053031 in words is "twenty-seven million, fifty-three thousand, thirty-one".

Divisors: 1 3 37 111 251 753 971 2913 9287 27861 35927 107781 243721 731163 9017677 27053031