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230008797 = 3225556533
BaseRepresentation
bin11011011010110…
…10011111011101
3121000210122202100
431231122133131
5432340240142
634453515313
75462020404
oct1555323735
9530718670
10230008797
1110891a017
1265042b39
13388632a5
142279463b
15152d5b4c
hexdb5a7dd

230008797 has 6 divisors (see below), whose sum is σ = 332234942. Its totient is φ = 153339192.

The previous prime is 230008771. The next prime is 230008829. The reversal of 230008797 is 797800032.

It can be written as a sum of positive squares in only one way, i.e., 221592996 + 8415801 = 14886^2 + 2901^2 .

It is not a de Polignac number, because 230008797 - 219 = 229484509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230008397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12778258 + ... + 12778275.

Almost surely, 2230008797 is an apocalyptic number.

It is an amenable number.

230008797 is a deficient number, since it is larger than the sum of its proper divisors (102226145).

230008797 is a wasteful number, since it uses less digits than its factorization.

230008797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25556539 (or 25556536 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 230008797 is about 15166.0409138311. The cubic root of 230008797 is about 612.7003788095.

The spelling of 230008797 in words is "two hundred thirty million, eight thousand, seven hundred ninety-seven".

Divisors: 1 3 9 25556533 76669599 230008797