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230681862 = 23212815659
BaseRepresentation
bin11011011111111…
…10110100000110
3121002001212000200
431233332310012
5433023304422
634520151330
75500522605
oct1557766406
9532055020
10230681862
11109239774
1265308546
1338a3a758
14228cba3c
15153ba2ac
hexdbfed06

230681862 has 12 divisors (see below), whose sum is σ = 499810740. Its totient is φ = 76893948.

The previous prime is 230681837. The next prime is 230681903. The reversal of 230681862 is 268186032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6407812 + ... + 6407847.

It is an arithmetic number, because the mean of its divisors is an integer number (41650895).

Almost surely, 2230681862 is an apocalyptic number.

230681862 is an abundant number, since it is smaller than the sum of its proper divisors (269128878).

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

230681862 is a wasteful number, since it uses less digits than its factorization.

230681862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815667 (or 12815664 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 230681862 is about 15188.2145757821. The cubic root of 230681862 is about 613.2974365281.

The spelling of 230681862 in words is "two hundred thirty million, six hundred eighty-one thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 9 18 12815659 25631318 38446977 76893954 115340931 230681862