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230899460 = 22511295413
BaseRepresentation
bin11011100001100…
…11111100000100
3121002110220111212
431300303330010
5433102240320
634524550552
75502420161
oct1560637404
9532426455
10230899460
11109378200
12653b2458
1338ab57cc
1422947068
151540e9c5
hexdc33f04

230899460 has 36 divisors (see below), whose sum is σ = 532982604. Its totient is φ = 83962560.

The previous prime is 230899451. The next prime is 230899463. The reversal of 230899460 is 64998032.

It is a happy number.

230899460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 64128064 + 166771396 = 8008^2 + 12914^2 .

It is not an unprimeable number, because it can be changed into a prime (230899463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45287 + ... + 50126.

Almost surely, 2230899460 is an apocalyptic number.

230899460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230899460 is an abundant number, since it is smaller than the sum of its proper divisors (302083144).

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

230899460 is a wasteful number, since it uses less digits than its factorization.

230899460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95444 (or 95431 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 230899460 is about 15195.3762704317. The cubic root of 230899460 is about 613.4902133613.

The spelling of 230899460 in words is "two hundred thirty million, eight hundred ninety-nine thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 95413 190826 381652 477065 954130 1049543 1908260 2099086 4198172 5247715 10495430 11544973 20990860 23089946 46179892 57724865 115449730 230899460