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27028995 = 357475477
BaseRepresentation
bin110011100011…
…0111000000011
31212212012210220
41213012320003
523404411440
62403154123
7445512510
oct147067003
955765726
1027028995
1114291314
129075943
1357a48b6
143838307
15258d8d0
hex19c6e03

27028995 has 32 divisors (see below), whose sum is σ = 50485248. Its totient is φ = 12091008.

The previous prime is 27028973. The next prime is 27028999. The reversal of 27028995 is 59982072.

It is not a de Polignac number, because 27028995 - 29 = 27028483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27028999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2197 + ... + 7673.

It is an arithmetic number, because the mean of its divisors is an integer number (1577664).

Almost surely, 227028995 is an apocalyptic number.

27028995 is a deficient number, since it is larger than the sum of its proper divisors (23456253).

27028995 is a wasteful number, since it uses less digits than its factorization.

27028995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 27028995 is about 5198.9417192348. The cubic root of 27028995 is about 300.1073504706.

The spelling of 27028995 in words is "twenty-seven million, twenty-eight thousand, nine hundred ninety-five".

Divisors: 1 3 5 7 15 21 35 47 105 141 235 329 705 987 1645 4935 5477 16431 27385 38339 82155 115017 191695 257419 575085 772257 1287095 1801933 3861285 5405799 9009665 27028995