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27086480 = 245338581
BaseRepresentation
bin110011101010…
…0111010010000
31212222010122222
41213110322100
523413231410
62404320212
7446142221
oct147247220
955863588
1027086480
1114320523
1290a3068
1357c4b05
143851248
1525a0955
hex19d4e90

27086480 has 20 divisors (see below), whose sum is σ = 62976252. Its totient is φ = 10834560.

The previous prime is 27086443. The next prime is 27086489. The reversal of 27086480 is 8468072.

It can be written as a sum of positive squares in 2 ways, for example, as 15904144 + 11182336 = 3988^2 + 3344^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27086480.

It is not an unprimeable number, because it can be changed into a prime (27086489) 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, 169211 + ... + 169370.

Almost surely, 227086480 is an apocalyptic number.

27086480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27086480 is an abundant number, since it is smaller than the sum of its proper divisors (35889772).

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

27086480 is a wasteful number, since it uses less digits than its factorization.

27086480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338594 (or 338588 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 27086480 is about 5204.4673118389. The cubic root of 27086480 is about 300.3199549378.

The spelling of 27086480 in words is "twenty-seven million, eighty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 338581 677162 1354324 1692905 2708648 3385810 5417296 6771620 13543240 27086480