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230425999 = 1391657741
BaseRepresentation
bin11011011110000…
…00010110001111
3121001120212001021
431233000112033
5432442112444
634510455011
75465405626
oct1557002617
9531525037
10230425999
11109084511
1265204467
133897b15b
14228626bd
1515369584
hexdbc058f

230425999 has 4 divisors (see below), whose sum is σ = 232083880. Its totient is φ = 228768120.

The previous prime is 230425991. The next prime is 230426023. The reversal of 230425999 is 999524032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230425999 - 23 = 230425991 is a prime.

It is a super-2 number, since 2×2304259992 = 106192282030296002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230425991) 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, 828732 + ... + 829009.

It is an arithmetic number, because the mean of its divisors is an integer number (58020970).

Almost surely, 2230425999 is an apocalyptic number.

230425999 is a deficient number, since it is larger than the sum of its proper divisors (1657881).

230425999 is a wasteful number, since it uses less digits than its factorization.

230425999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657880.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 230425999 is about 15179.7891619087. The cubic root of 230425999 is about 613.0706043982.

The spelling of 230425999 in words is "two hundred thirty million, four hundred twenty-five thousand, nine hundred ninety-nine".

Divisors: 1 139 1657741 230425999