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230430351 = 3699110987
BaseRepresentation
bin11011011110000…
…01011010001111
3121001121002000110
431233001122033
5432442232401
634510531103
75465424414
oct1557013217
9531532013
10230430351
11109087808
1265206a93
1338980128
142286410b
151536a9d6
hexdbc168f

230430351 has 8 divisors (see below), whose sum is σ = 307312384. Its totient is φ = 153584280.

The previous prime is 230430311. The next prime is 230430407. The reversal of 230430351 is 153034032.

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

It is not a de Polignac number, because 230430351 - 29 = 230429839 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 (230430311) 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, 15480 + ... + 26466.

It is an arithmetic number, because the mean of its divisors is an integer number (38414048).

Almost surely, 2230430351 is an apocalyptic number.

230430351 is a deficient number, since it is larger than the sum of its proper divisors (76882033).

230430351 is a wasteful number, since it uses less digits than its factorization.

230430351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 230430351 is about 15179.9325097314. The cubic root of 230430351 is about 613.0744640125.

Adding to 230430351 its reverse (153034032), we get a palindrome (383464383).

The spelling of 230430351 in words is "two hundred thirty million, four hundred thirty thousand, three hundred fifty-one".

Divisors: 1 3 6991 10987 20973 32961 76810117 230430351