Search a number
-
+
27292131 = 323032459
BaseRepresentation
bin110100000011…
…1000111100011
31220100120202200
41220013013203
523441322011
62412544243
7450656616
oct150070743
956316680
1027292131
1114450a89
129182083
1358675b9
1438a617d
1525e1856
hex1a071e3

27292131 has 6 divisors (see below), whose sum is σ = 39421980. Its totient is φ = 18194748.

The previous prime is 27292129. The next prime is 27292141. The reversal of 27292131 is 13129272.

It is not a de Polignac number, because 27292131 - 21 = 27292129 is a prime.

It is a super-2 number, since 2×272921312 = 1489720829042322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27292095 and 27292104.

It is not an unprimeable number, because it can be changed into a prime (27292141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1516221 + ... + 1516238.

It is an arithmetic number, because the mean of its divisors is an integer number (6570330).

Almost surely, 227292131 is an apocalyptic number.

27292131 is a deficient number, since it is larger than the sum of its proper divisors (12129849).

27292131 is a wasteful number, since it uses less digits than its factorization.

27292131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032465 (or 3032462 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 27292131 is about 5224.1871138006. The cubic root of 27292131 is about 301.0780877816.

The spelling of 27292131 in words is "twenty-seven million, two hundred ninety-two thousand, one hundred thirty-one".

Divisors: 1 3 9 3032459 9097377 27292131