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230685075 = 32521025267
BaseRepresentation
bin11011011111111…
…11100110010011
3121002002000102200
431233333212103
5433023410300
634520214243
75500535145
oct1557774623
9532060380
10230685075
11109241125
126530a383
1338a3c05a
14228ccc95
15153bb200
hexdbff993

230685075 has 18 divisors (see below), whose sum is σ = 413183004. Its totient is φ = 123031920.

The previous prime is 230684989. The next prime is 230685107. The reversal of 230685075 is 570586032.

It is not a de Polignac number, because 230685075 - 211 = 230683027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 512409 + ... + 512858.

Almost surely, 2230685075 is an apocalyptic number.

230685075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

230685075 is a deficient number, since it is larger than the sum of its proper divisors (182497929).

230685075 is a wasteful number, since it uses less digits than its factorization.

230685075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025283 (or 1025275 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 230685075 is about 15188.3203482149. The cubic root of 230685075 is about 613.3002839063.

The spelling of 230685075 in words is "two hundred thirty million, six hundred eighty-five thousand, seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 1025267 3075801 5126335 9227403 15379005 25631675 46137015 76895025 230685075