Search a number
-
+
27498029 = 132115233
BaseRepresentation
bin110100011100…
…1011000101101
31220202001012112
41220321120231
524014414104
62421213405
7452505116
oct150713055
956661175
1027498029
1114581749
129261265
13590a230
14391b20d
15263286e
hex1a3962d

27498029 has 4 divisors (see below), whose sum is σ = 29613276. Its totient is φ = 25382784.

The previous prime is 27498017. The next prime is 27498047. The reversal of 27498029 is 92089472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7828804 + 19669225 = 2798^2 + 4435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27498029 is a prime.

It is a super-2 number, since 2×274980292 = 1512283197769682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27498049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057604 + ... + 1057629.

It is an arithmetic number, because the mean of its divisors is an integer number (7403319).

Almost surely, 227498029 is an apocalyptic number.

It is an amenable number.

27498029 is a deficient number, since it is larger than the sum of its proper divisors (2115247).

27498029 is a wasteful number, since it uses less digits than its factorization.

27498029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115246.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 27498029 is about 5243.8563100070. The cubic root of 27498029 is about 301.8333254228.

The spelling of 27498029 in words is "twenty-seven million, four hundred ninety-eight thousand, twenty-nine".

Divisors: 1 13 2115233 27498029