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230242881 = 3116977057
BaseRepresentation
bin11011011100100…
…11101001000001
3121001020112212010
431232103221001
5432420233011
634502523133
75464014021
oct1556235101
9531215763
10230242881
11108a69980
12651364a9
13389159bb
1422815a81
15153301a6
hexdb93a41

230242881 has 8 divisors (see below), whose sum is σ = 334898784. Its totient is φ = 139541120.

The previous prime is 230242877. The next prime is 230242889. The reversal of 230242881 is 188242032.

230242881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 230242881 - 22 = 230242877 is a prime.

It is a super-2 number, since 2×2302428812 = 106023568502360322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230242889) 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, 3488496 + ... + 3488561.

It is an arithmetic number, because the mean of its divisors is an integer number (41862348).

Almost surely, 2230242881 is an apocalyptic number.

It is an amenable number.

230242881 is a deficient number, since it is larger than the sum of its proper divisors (104655903).

230242881 is a wasteful number, since it uses less digits than its factorization.

230242881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977071.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 230242881 is about 15173.7563246547. The cubic root of 230242881 is about 612.9081603234.

The spelling of 230242881 in words is "two hundred thirty million, two hundred forty-two thousand, eight hundred eighty-one".

Divisors: 1 3 11 33 6977057 20931171 76747627 230242881