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231196486 = 2115598243
BaseRepresentation
bin11011100011111…
…00011101000110
3121010000222221211
431301330131012
5433141241421
634535202034
75505065143
oct1561743506
9533028854
10231196486
11109560384
126551631a
1338b8aa71
14229c33ca
151546c9e1
hexdc7c746

231196486 has 4 divisors (see below), whose sum is σ = 346794732. Its totient is φ = 115598242.

The previous prime is 231196463. The next prime is 231196487. The reversal of 231196486 is 684691132.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231196487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57799120 + ... + 57799123.

It is an arithmetic number, because the mean of its divisors is an integer number (86698683).

Almost surely, 2231196486 is an apocalyptic number.

231196486 is a deficient number, since it is larger than the sum of its proper divisors (115598246).

231196486 is a wasteful number, since it uses less digits than its factorization.

231196486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115598245.

The product of its digits is 62208, while the sum is 40.

The square root of 231196486 is about 15205.1466944584. The cubic root of 231196486 is about 613.7531625307.

The spelling of 231196486 in words is "two hundred thirty-one million, one hundred ninety-six thousand, four hundred eighty-six".

Divisors: 1 2 115598243 231196486