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230487825 = 3523073171
BaseRepresentation
bin11011011110011…
…11011100010001
3121001200222212010
431233033130101
5433001102300
634512053133
75466054111
oct1557173421
9531628763
10230487825
11109116a07
12652341a9
13389a0339
142287b041
151537ca50
hexdbcf711

230487825 has 12 divisors (see below), whose sum is σ = 381073328. Its totient is φ = 122926800.

The previous prime is 230487823. The next prime is 230487827. The reversal of 230487825 is 528784032.

It is an interprime number because it is at equal distance from previous prime (230487823) and next prime (230487827).

It is not a de Polignac number, because 230487825 - 21 = 230487823 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230487823) by changing a digit.

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, 1536511 + ... + 1536660.

Almost surely, 2230487825 is an apocalyptic number.

230487825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230487825 is a deficient number, since it is larger than the sum of its proper divisors (150585503).

230487825 is a wasteful number, since it uses less digits than its factorization.

230487825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073184 (or 3073179 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 230487825 is about 15181.8254831229. The cubic root of 230487825 is about 613.1254308411.

The spelling of 230487825 in words is "two hundred thirty million, four hundred eighty-seven thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 3073171 9219513 15365855 46097565 76829275 230487825