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230597369 = 474906327
BaseRepresentation
bin11011011111010…
…10001011111001
3121001220120010022
431233222023321
5433013103434
634514300225
75500021352
oct1557521371
9531816108
10230597369
11109191242
1265287675
1338a0b162
14228a8d29
15153a022e
hexdbea2f9

230597369 has 4 divisors (see below), whose sum is σ = 235503744. Its totient is φ = 225690996.

The previous prime is 230597363. The next prime is 230597383. The reversal of 230597369 is 963795032.

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 a de Polignac number, because none of the positive numbers 2k-230597369 is a prime.

It is a super-2 number, since 2×2305973692 = 106350293179444322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230597363) 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, 2453117 + ... + 2453210.

It is an arithmetic number, because the mean of its divisors is an integer number (58875936).

Almost surely, 2230597369 is an apocalyptic number.

It is an amenable number.

230597369 is a deficient number, since it is larger than the sum of its proper divisors (4906375).

230597369 is an equidigital number, since it uses as much as digits as its factorization.

230597369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906374.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 230597369 is about 15185.4327893544. The cubic root of 230597369 is about 613.2225488771. Note that the first 3 decimals are identical.

The spelling of 230597369 in words is "two hundred thirty million, five hundred ninety-seven thousand, three hundred sixty-nine".

Divisors: 1 47 4906327 230597369