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230230983 = 3172377177
BaseRepresentation
bin11011011100100…
…00101111000111
3121001012221112110
431232100233013
5432414342413
634502352103
75463634233
oct1556205707
9531187473
10230230983
11108a60a44
126512b633
1338910468
14228115c3
151532b8c3
hexdb90bc7

230230983 has 24 divisors (see below), whose sum is σ = 334954192. Its totient is φ = 140534784.

The previous prime is 230230981. The next prime is 230230991. The reversal of 230230983 is 389032032.

It is not a de Polignac number, because 230230983 - 21 = 230230981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230230983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230230981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28491 + ... + 35667.

Almost surely, 2230230983 is an apocalyptic number.

230230983 is a deficient number, since it is larger than the sum of its proper divisors (104723209).

230230983 is a wasteful number, since it uses less digits than its factorization.

230230983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251 (or 7234 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 230230983 is about 15173.3642610991. The cubic root of 230230983 is about 612.8976026218.

The spelling of 230230983 in words is "two hundred thirty million, two hundred thirty thousand, nine hundred eighty-three".

Divisors: 1 3 17 37 51 111 289 629 867 1887 7177 10693 21531 32079 122009 265549 366027 796647 2074153 4514333 6222459 13542999 76743661 230230983