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27028434 = 2310914129
BaseRepresentation
bin110011100011…
…0101111010010
31212212012001010
41213012233102
523404402214
62403151350
7445511046
oct147065722
955765033
1027028434
1114290954
129075556
1357a4574
143838026
15258d659
hex19c6bd2

27028434 has 16 divisors (see below), whose sum is σ = 54119520. Its totient is φ = 8999040.

The previous prime is 27028423. The next prime is 27028447. The reversal of 27028434 is 43482072.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482 + ... + 8610.

It is an arithmetic number, because the mean of its divisors is an integer number (3382470).

Almost surely, 227028434 is an apocalyptic number.

27028434 is an abundant number, since it is smaller than the sum of its proper divisors (27091086).

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

27028434 is a wasteful number, since it uses less digits than its factorization.

27028434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 27028434 is about 5198.8877656668. The cubic root of 27028434 is about 300.1052741646.

The spelling of 27028434 in words is "twenty-seven million, twenty-eight thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1091 2182 3273 4129 6546 8258 12387 24774 4504739 9009478 13514217 27028434