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230383497 = 33718111467
BaseRepresentation
bin11011011101101…
…01111110001001
3121001111200202010
431232311332021
5432434232442
634505530133
75465141001
oct1556657611
9531450663
10230383497
11109055593
12651a3949
13389649c6
1422851001
151535bb9c
hexdbb5f89

230383497 has 16 divisors (see below), whose sum is σ = 317250752. Its totient is φ = 148599360.

The previous prime is 230383487. The next prime is 230383501. The reversal of 230383497 is 794383032.

It is not a de Polignac number, because 230383497 - 211 = 230381449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230383487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14358 + ... + 25824.

It is an arithmetic number, because the mean of its divisors is an integer number (19828172).

Almost surely, 2230383497 is an apocalyptic number.

It is an amenable number.

230383497 is a deficient number, since it is larger than the sum of its proper divisors (86867255).

230383497 is a wasteful number, since it uses less digits than its factorization.

230383497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11688.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 230383497 is about 15178.3891437794. The cubic root of 230383497 is about 613.0329085230.

The spelling of 230383497 in words is "two hundred thirty million, three hundred eighty-three thousand, four hundred ninety-seven".

Divisors: 1 3 37 111 181 543 6697 11467 20091 34401 424279 1272837 2075527 6226581 76794499 230383497