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230015597 = 732859371
BaseRepresentation
bin11011011010111…
…00001001101101
3121000211000002012
431231130021231
5432340444342
634454011005
75462046260
oct1555341155
9530730065
10230015597
11108924139
1265046a65
1338866406
1422796cd7
15152d7b82
hexdb5c26d

230015597 has 4 divisors (see below), whose sum is σ = 262874976. Its totient is φ = 197156220.

The previous prime is 230015587. The next prime is 230015609. The reversal of 230015597 is 795510032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230015597 - 24 = 230015581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230015507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16429679 + ... + 16429692.

It is an arithmetic number, because the mean of its divisors is an integer number (65718744).

Almost surely, 2230015597 is an apocalyptic number.

It is an amenable number.

230015597 is a deficient number, since it is larger than the sum of its proper divisors (32859379).

230015597 is an equidigital number, since it uses as much as digits as its factorization.

230015597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32859378.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 230015597 is about 15166.2650972479. The cubic root of 230015597 is about 612.7064167257.

The spelling of 230015597 in words is "two hundred thirty million, fifteen thousand, five hundred ninety-seven".

Divisors: 1 7 32859371 230015597