Search a number
-
+
231377074 = 2115688537
BaseRepresentation
bin11011100101010…
…00100010110010
3121010101011200021
431302220202302
5433213031244
634543114054
75506446505
oct1562504262
9533334607
10231377074
11109674025
12655a292a
1338c22016
1422a2d13c
15154a6284
hexdca88b2

231377074 has 4 divisors (see below), whose sum is σ = 347065614. Its totient is φ = 115688536.

The previous prime is 231377059. The next prime is 231377093. The reversal of 231377074 is 470773132.

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

It can be written as a sum of positive squares in only one way, i.e., 228463225 + 2913849 = 15115^2 + 1707^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 57844267 + ... + 57844270.

Almost surely, 2231377074 is an apocalyptic number.

231377074 is a deficient number, since it is larger than the sum of its proper divisors (115688540).

231377074 is a wasteful number, since it uses less digits than its factorization.

231377074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115688539.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 231377074 is about 15211.0839193004. The cubic root of 231377074 is about 613.9129221827.

The spelling of 231377074 in words is "two hundred thirty-one million, three hundred seventy-seven thousand, seventy-four".

Divisors: 1 2 115688537 231377074