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27312933 = 361149251
BaseRepresentation
bin110100000110…
…0001100100101
31220101122022010
41220030030211
523443003213
62413224433
7451104354
oct150141445
956348263
1027312933
111446567a
129192119
135873bcb
1438ad99b
1525e7ac3
hex1a0c325

27312933 has 8 divisors (see below), whose sum is σ = 37014496. Its totient is φ = 17910000.

The previous prime is 27312917. The next prime is 27312973. The reversal of 27312933 is 33921372.

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

It is not a de Polignac number, because 27312933 - 24 = 27312917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27312933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27312913) 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, 74443 + ... + 74808.

It is an arithmetic number, because the mean of its divisors is an integer number (4626812).

Almost surely, 227312933 is an apocalyptic number.

It is an amenable number.

27312933 is a deficient number, since it is larger than the sum of its proper divisors (9701563).

27312933 is a wasteful number, since it uses less digits than its factorization.

27312933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149315.

The product of its digits is 6804, while the sum is 30.

The square root of 27312933 is about 5226.1776663256. The cubic root of 27312933 is about 301.1545620326.

The spelling of 27312933 in words is "twenty-seven million, three hundred twelve thousand, nine hundred thirty-three".

Divisors: 1 3 61 183 149251 447753 9104311 27312933