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231132338 = 21093105733
BaseRepresentation
bin11011100011011…
…00110010110010
3121002220201221222
431301230302302
5433132213323
634533545042
75504410133
oct1561546262
9532821858
10231132338
11109517168
12654a5182
1338b677c8
14229a7c8a
15154589c8
hexdc6ccb2

231132338 has 8 divisors (see below), whose sum is σ = 347018988. Its totient is φ = 115459344.

The previous prime is 231132337. The next prime is 231132371. The reversal of 231132338 is 833231132.

It can be written as a sum of positive squares in 2 ways, for example, as 203433169 + 27699169 = 14263^2 + 5263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (231132337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50681 + ... + 55052.

Almost surely, 2231132338 is an apocalyptic number.

231132338 is a deficient number, since it is larger than the sum of its proper divisors (115886650).

231132338 is a wasteful number, since it uses less digits than its factorization.

231132338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106828.

The product of its digits is 2592, while the sum is 26.

The square root of 231132338 is about 15203.0371307841. The cubic root of 231132338 is about 613.6963930985.

The spelling of 231132338 in words is "two hundred thirty-one million, one hundred thirty-two thousand, three hundred thirty-eight".

Divisors: 1 2 1093 2186 105733 211466 115566169 231132338