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231176242 = 21121149801
BaseRepresentation
bin11011100011101…
…11100000110010
3121002222222012001
431301313200302
5433140114432
634534524214
75504652133
oct1561674062
9532888161
10231176242
11109547150
126550666a
1338b8179b
14229b9c8a
15154669e7
hexdc77832

231176242 has 16 divisors (see below), whose sum is σ = 380088864. Its totient is φ = 104580000.

The previous prime is 231176233. The next prime is 231176261. The reversal of 231176242 is 242671132.

It is a self number, because there is not a number n which added to its sum of digits gives 231176242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20259 + ... + 29542.

It is an arithmetic number, because the mean of its divisors is an integer number (23755554).

Almost surely, 2231176242 is an apocalyptic number.

231176242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231176242 is a deficient number, since it is larger than the sum of its proper divisors (148912622).

231176242 is a wasteful number, since it uses less digits than its factorization.

231176242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50025.

The product of its digits is 4032, while the sum is 28.

The square root of 231176242 is about 15204.4809842362. The cubic root of 231176242 is about 613.7352482133.

The spelling of 231176242 in words is "two hundred thirty-one million, one hundred seventy-six thousand, two hundred forty-two".

Divisors: 1 2 11 22 211 422 2321 4642 49801 99602 547811 1095622 10508011 21016022 115588121 231176242