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230504025 = 35215531979
BaseRepresentation
bin11011011110100…
…11011001011001
3121001201211002010
431233103121121
5433002112100
634512300133
75466152253
oct1557233131
9531654063
10230504025
111091280a4
1265241649
13389a781b
1422882cd3
1515382750
hexdbd3659

230504025 has 24 divisors (see below), whose sum is σ = 381538080. Its totient is φ = 122794240.

The previous prime is 230504017. The next prime is 230504033. The reversal of 230504025 is 520405032.

It is an interprime number because it is at equal distance from previous prime (230504017) and next prime (230504033).

It is not a de Polignac number, because 230504025 - 23 = 230504017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230503992 and 230504010.

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 23 ways as a sum of consecutive naturals, for example, 115486 + ... + 117464.

It is an arithmetic number, because the mean of its divisors is an integer number (15897420).

Almost surely, 2230504025 is an apocalyptic number.

230504025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230504025 is a deficient number, since it is larger than the sum of its proper divisors (151034055).

230504025 is a wasteful number, since it uses less digits than its factorization.

230504025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3540 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 230504025 is about 15182.3590064258. The cubic root of 230504025 is about 613.1397951563.

Adding to 230504025 its reverse (520405032), we get a palindrome (750909057).

The spelling of 230504025 in words is "two hundred thirty million, five hundred four thousand, twenty-five".

Divisors: 1 3 5 15 25 75 1553 1979 4659 5937 7765 9895 23295 29685 38825 49475 116475 148425 3073387 9220161 15366935 46100805 76834675 230504025