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230154425 = 5218674931
BaseRepresentation
bin11011011011111…
…10000010111001
3121001002001111222
431231332002321
5432404420200
634501001425
75463165104
oct1555760271
9531061458
10230154425
11108a09476
12650b3275
13388b4667
14227d173b
1515313d85
hexdb7e0b9

230154425 has 12 divisors (see below), whose sum is σ = 285602256. Its totient is φ = 183987600.

The previous prime is 230154409. The next prime is 230154433. The reversal of 230154425 is 524451032.

It is a happy number.

It is not a de Polignac number, because 230154425 - 24 = 230154409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230154394 and 230154403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44210 + ... + 49140.

It is an arithmetic number, because the mean of its divisors is an integer number (23800188).

Almost surely, 2230154425 is an apocalyptic number.

230154425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230154425 is a deficient number, since it is larger than the sum of its proper divisors (55447831).

230154425 is a wasteful number, since it uses less digits than its factorization.

230154425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808 (or 6803 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 230154425 is about 15170.8412752886. The cubic root of 230154425 is about 612.8296601060.

The spelling of 230154425 in words is "two hundred thirty million, one hundred fifty-four thousand, four hundred twenty-five".

Divisors: 1 5 25 1867 4931 9335 24655 46675 123275 9206177 46030885 230154425