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27102984 = 2331378243
BaseRepresentation
bin110011101100…
…0111100001000
31212222222022020
41213120330020
523414243414
62404524440
7446241306
oct147307410
955888266
1027102984
1114331967
1290b0720
1357cc48c
143857276
1525a57a9
hex19d8f08

27102984 has 32 divisors (see below), whose sum is σ = 68260320. Its totient is φ = 8967296.

The previous prime is 27102979. The next prime is 27102989. The reversal of 27102984 is 48920172.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27102979) and next prime (27102989).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27102989) 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, 834 + ... + 7409.

It is an arithmetic number, because the mean of its divisors is an integer number (2133135).

Almost surely, 227102984 is an apocalyptic number.

27102984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27102984 is an abundant number, since it is smaller than the sum of its proper divisors (41157336).

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

27102984 is a wasteful number, since it uses less digits than its factorization.

27102984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8389 (or 8385 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 27102984 is about 5206.0526313129. The cubic root of 27102984 is about 300.3809383042.

The spelling of 27102984 in words is "twenty-seven million, one hundred two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 137 274 411 548 822 1096 1644 3288 8243 16486 24729 32972 49458 65944 98916 197832 1129291 2258582 3387873 4517164 6775746 9034328 13551492 27102984