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230342361 = 376780787
BaseRepresentation
bin11011011101010…
…11111011011001
3121001102121022120
431232223323121
5432431423421
634505011453
75464610034
oct1556537331
9531377276
10230342361
11109027697
1265183b89
133894c072
142284001b
151534e8c6
hexdbabed9

230342361 has 4 divisors (see below), whose sum is σ = 307123152. Its totient is φ = 153561572.

The previous prime is 230342327. The next prime is 230342423. The reversal of 230342361 is 163243032.

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 230342361 - 26 = 230342297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230342261) 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 3 ways as a sum of consecutive naturals, for example, 38390391 + ... + 38390396.

It is an arithmetic number, because the mean of its divisors is an integer number (76780788).

Almost surely, 2230342361 is an apocalyptic number.

It is an amenable number.

230342361 is a deficient number, since it is larger than the sum of its proper divisors (76780791).

230342361 is an equidigital number, since it uses as much as digits as its factorization.

230342361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76780790.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 230342361 is about 15177.0339987759. The cubic root of 230342361 is about 612.9964197654.

Adding to 230342361 its reverse (163243032), we get a palindrome (393585393).

The spelling of 230342361 in words is "two hundred thirty million, three hundred forty-two thousand, three hundred sixty-one".

Divisors: 1 3 76780787 230342361