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230657826 = 23712494397
BaseRepresentation
bin11011011111110…
…00111100100010
3121002000122001110
431233320330202
5433022022301
634515444150
75500362540
oct1557707442
9532018043
10230657826
11109222703
12652b6656
1338a2c829
14228c2d90
15153b30d6
hexdbf8f22

230657826 has 32 divisors (see below), whose sum is σ = 527760000. Its totient is φ = 65834496.

The previous prime is 230657773. The next prime is 230657831. The reversal of 230657826 is 628756032.

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 15 ways as a sum of consecutive naturals, for example, 50260 + ... + 54656.

It is an arithmetic number, because the mean of its divisors is an integer number (16492500).

Almost surely, 2230657826 is an apocalyptic number.

230657826 is an abundant number, since it is smaller than the sum of its proper divisors (297102174).

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

230657826 is a wasteful number, since it uses less digits than its factorization.

230657826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 230657826 is about 15187.4232837569. The cubic root of 230657826 is about 613.2761348544.

The spelling of 230657826 in words is "two hundred thirty million, six hundred fifty-seven thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 1249 2498 3747 4397 7494 8743 8794 13191 17486 26229 26382 30779 52458 61558 92337 184674 5491853 10983706 16475559 32951118 38442971 76885942 115328913 230657826