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231142010 = 25114153967
BaseRepresentation
bin11011100011011…
…11001001111010
3121002221020020012
431301233021322
5433133021020
634534101522
75504450261
oct1561571172
9532836205
10231142010
11109523460
12654aa8a2
1338b6c028
14229ab5d8
151545b7c5
hexdc6f27a

231142010 has 64 divisors (see below), whose sum is σ = 474211584. Its totient is φ = 80371200.

The previous prime is 231142007. The next prime is 231142031. The reversal of 231142010 is 10241132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238547 + ... + 239513.

It is an arithmetic number, because the mean of its divisors is an integer number (7409556).

Almost surely, 2231142010 is an apocalyptic number.

231142010 is an abundant number, since it is smaller than the sum of its proper divisors (243069574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231142010 is a wasteful number, since it uses less digits than its factorization.

231142010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 231142010 is about 15203.3552217923. The cubic root of 231142010 is about 613.7049532575.

Adding to 231142010 its reverse (10241132), we get a palindrome (241383142).

It can be divided in two parts, 231 and 142010, that added together give a palindrome (142241).

The spelling of 231142010 in words is "two hundred thirty-one million, one hundred forty-two thousand, ten".

Divisors: 1 2 5 10 11 22 41 53 55 82 106 110 205 265 410 451 530 583 902 967 1166 1934 2173 2255 2915 4346 4510 4835 5830 9670 10637 10865 21274 21730 23903 39647 47806 51251 53185 79294 102502 106370 119515 198235 239030 256255 396470 436117 512510 563761 872234 1127522 2101291 2180585 2818805 4202582 4361170 5637610 10506455 21012910 23114201 46228402 115571005 231142010