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231274054 = 21110512457
BaseRepresentation
bin11011100100011…
…11011001000110
3121010011221100201
431302033121012
5433201232204
634541001114
75505540244
oct1562173106
9533157321
10231274054
11109603690
126555319a
1338bb716b
1422a03794
15154859a4
hexdc8f646

231274054 has 8 divisors (see below), whose sum is σ = 378448488. Its totient is φ = 105124560.

The previous prime is 231274027. The next prime is 231274067. The reversal of 231274054 is 450472132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5256207 + ... + 5256250.

It is an arithmetic number, because the mean of its divisors is an integer number (47306061).

Almost surely, 2231274054 is an apocalyptic number.

231274054 is a deficient number, since it is larger than the sum of its proper divisors (147174434).

231274054 is a wasteful number, since it uses less digits than its factorization.

231274054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512470.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 231274054 is about 15207.6971958282. The cubic root of 231274054 is about 613.8217943150.

The spelling of 231274054 in words is "two hundred thirty-one million, two hundred seventy-four thousand, fifty-four".

Divisors: 1 2 11 22 10512457 21024914 115637027 231274054