Search a number
-
+
27007146 = 2321500397
BaseRepresentation
bin110011100000…
…1100010101010
31212211002211200
41213001202222
523403212041
62402505030
7445362015
oct147014252
955732750
1027007146
1114276961
129065176
13579797a
14383037c
1525871b6
hex19c18aa

27007146 has 12 divisors (see below), whose sum is σ = 58515522. Its totient is φ = 9002376.

The previous prime is 27007133. The next prime is 27007147. The reversal of 27007146 is 64170072.

It can be written as a sum of positive squares in only one way, i.e., 24890121 + 2117025 = 4989^2 + 1455^2 .

It is not an unprimeable number, because it can be changed into a prime (27007147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 750181 + ... + 750216.

Almost surely, 227007146 is an apocalyptic number.

27007146 is an abundant number, since it is smaller than the sum of its proper divisors (31508376).

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

27007146 is a wasteful number, since it uses less digits than its factorization.

27007146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500405 (or 1500402 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 27007146 is about 5196.8400013855. The cubic root of 27007146 is about 300.0264643321.

The spelling of 27007146 in words is "twenty-seven million, seven thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 1500397 3000794 4501191 9002382 13503573 27007146