Search a number
-
+
27331390 = 2525110889
BaseRepresentation
bin110100001000…
…0101100111110
31220102120121201
41220100230332
523444101030
62413450114
7451212232
oct150205476
956376551
1027331390
1114478529
1291a093a
13587c428
1438b65c2
1525ed2ca
hex1a10b3e

27331390 has 16 divisors (see below), whose sum is σ = 49397040. Its totient is φ = 10888000.

The previous prime is 27331373. The next prime is 27331397. The reversal of 27331390 is 9313372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27331397) 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, 2935 + ... + 7954.

It is an arithmetic number, because the mean of its divisors is an integer number (3087315).

Almost surely, 227331390 is an apocalyptic number.

27331390 is a deficient number, since it is larger than the sum of its proper divisors (22065650).

27331390 is a wasteful number, since it uses less digits than its factorization.

27331390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 27331390 is about 5227.9431902040. The cubic root of 27331390 is about 301.2223828726. Note that the first 3 decimals are identical.

The spelling of 27331390 in words is "twenty-seven million, three hundred thirty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 251 502 1255 2510 10889 21778 54445 108890 2733139 5466278 13665695 27331390