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27312834 = 234552139
BaseRepresentation
bin110100000110…
…0001011000010
31220101122011110
41220030023002
523443002314
62413224150
7451104153
oct150141302
956348143
1027312834
111446559a
129192056
135873b53
1438ad92a
1525e7a59
hex1a0c2c2

27312834 has 8 divisors (see below), whose sum is σ = 54625680. Its totient is φ = 9104276.

The previous prime is 27312827. The next prime is 27312841. The reversal of 27312834 is 43821372.

It is an interprime number because it is at equal distance from previous prime (27312827) and next prime (27312841).

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

27312834 is an admirable number.

It is a super-2 number, since 2×273128342 = 1491981802223112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276064 + ... + 2276075.

It is an arithmetic number, because the mean of its divisors is an integer number (6828210).

Almost surely, 227312834 is an apocalyptic number.

27312834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27312834 is a wasteful number, since it uses less digits than its factorization.

27312834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552144.

The product of its digits is 8064, while the sum is 30.

The square root of 27312834 is about 5226.1681947676. The cubic root of 27312834 is about 301.1541981716.

It can be divided in two parts, 2731 and 2834, that added together give a triangular number (5565 = T105).

The spelling of 27312834 in words is "twenty-seven million, three hundred twelve thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 4552139 9104278 13656417 27312834