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27028700 = 2252270287
BaseRepresentation
bin110011100011…
…0110011011100
31212212012101222
41213012303130
523404404300
62403152512
7445511606
oct147066334
955765358
1027028700
1114291076
129075738
1357a471a
143838176
15258d785
hex19c6cdc

27028700 has 18 divisors (see below), whose sum is σ = 58652496. Its totient is φ = 10811440.

The previous prime is 27028679. The next prime is 27028721. The reversal of 27028700 is 782072.

It is an interprime number because it is at equal distance from previous prime (27028679) and next prime (27028721).

It is a self number, because there is not a number n which added to its sum of digits gives 27028700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135044 + ... + 135243.

It is an arithmetic number, because the mean of its divisors is an integer number (3258472).

Almost surely, 227028700 is an apocalyptic number.

27028700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27028700 is an abundant number, since it is smaller than the sum of its proper divisors (31623796).

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

27028700 is a wasteful number, since it uses less digits than its factorization.

27028700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270301 (or 270294 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 27028700 is about 5198.9133479988. The cubic root of 27028700 is about 300.1062586555.

The spelling of 27028700 in words is "twenty-seven million, twenty-eight thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 270287 540574 1081148 1351435 2702870 5405740 6757175 13514350 27028700