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231007368 = 23346320789
BaseRepresentation
bin11011100010011…
…10010010001000
3121002200101112110
431301032102020
5433114213433
634531142320
75503346604
oct1561162210
9532611473
10231007368
11109441289
12654449a0
1338b22967
1422974504
1515431963
hexdc4e488

231007368 has 32 divisors (see below), whose sum is σ = 578793600. Its totient is φ = 76832448.

The previous prime is 231007367. The next prime is 231007409. The reversal of 231007368 is 863700132.

It is not an unprimeable number, because it can be changed into a prime (231007363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 21506.

It is an arithmetic number, because the mean of its divisors is an integer number (18087300).

Almost surely, 2231007368 is an apocalyptic number.

It is an amenable number.

231007368 is an abundant number, since it is smaller than the sum of its proper divisors (347786232).

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

231007368 is a wasteful number, since it uses less digits than its factorization.

231007368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21261 (or 21257 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 231007368 is about 15198.9265410423. The cubic root of 231007368 is about 613.5857674926.

The spelling of 231007368 in words is "two hundred thirty-one million, seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 463 926 1389 1852 2778 3704 5556 11112 20789 41578 62367 83156 124734 166312 249468 498936 9625307 19250614 28875921 38501228 57751842 77002456 115503684 231007368