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27005034 = 237642977
BaseRepresentation
bin110011100000…
…1000001101010
31212210222221110
41213001001222
523403130114
62402451150
7445352610
oct147010152
955728843
1027005034
1114275311
129063ab6
135796a14
14382d6b0
152586759
hex19c106a

27005034 has 16 divisors (see below), whose sum is σ = 61725888. Its totient is φ = 7715712.

The previous prime is 27005021. The next prime is 27005039. The reversal of 27005034 is 43050072.

It is a happy number.

It is a super-2 number, since 2×270050342 = 1458543722682312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 27005034.

It is not an unprimeable number, because it can be changed into a prime (27005039) 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, 321447 + ... + 321530.

It is an arithmetic number, because the mean of its divisors is an integer number (3857868).

Almost surely, 227005034 is an apocalyptic number.

27005034 is an abundant number, since it is smaller than the sum of its proper divisors (34720854).

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

27005034 is a wasteful number, since it uses less digits than its factorization.

27005034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642989.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 27005034 is about 5196.6367970063. The cubic root of 27005034 is about 300.0186432858.

The spelling of 27005034 in words is "twenty-seven million, five thousand, thirty-four".

Divisors: 1 2 3 6 7 14 21 42 642977 1285954 1928931 3857862 4500839 9001678 13502517 27005034