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230986407 = 3157490417
BaseRepresentation
bin11011100010010…
…01001010100111
3121002122022210010
431301021022213
5433113031112
634530501303
75503231521
oct1561111247
9532568703
10230986407
11109427563
1265434833
1338b16262
142296aa11
151542a63c
hexdc492a7

230986407 has 8 divisors (see below), whose sum is σ = 309944176. Its totient is φ = 153009792.

The previous prime is 230986403. The next prime is 230986409. The reversal of 230986407 is 704689032.

230986407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230986407 - 22 = 230986403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230986403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244738 + ... + 245679.

It is an arithmetic number, because the mean of its divisors is an integer number (38743022).

Almost surely, 2230986407 is an apocalyptic number.

230986407 is a deficient number, since it is larger than the sum of its proper divisors (78957769).

230986407 is a wasteful number, since it uses less digits than its factorization.

230986407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490577.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 230986407 is about 15198.2369701226. The cubic root of 230986407 is about 613.5672085459.

The spelling of 230986407 in words is "two hundred thirty million, nine hundred eighty-six thousand, four hundred seven".

Divisors: 1 3 157 471 490417 1471251 76995469 230986407