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230425130 = 25131772501
BaseRepresentation
bin11011011110000…
…00001000101010
3121001120210212002
431233000020222
5432442101010
634510451002
75465403245
oct1557001052
9531523762
10230425130
111090838a1
1265203a62
133897a940
142286225c
15153691a5
hexdbc022a

230425130 has 16 divisors (see below), whose sum is σ = 446670504. Its totient is φ = 85080000.

The previous prime is 230425087. The next prime is 230425133. The reversal of 230425130 is 31524032.

It is a happy number.

230425130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122036209 + 108388921 = 11047^2 + 10411^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230425133) 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, 886121 + ... + 886380.

Almost surely, 2230425130 is an apocalyptic number.

230425130 is a deficient number, since it is larger than the sum of its proper divisors (216245374).

230425130 is a wasteful number, since it uses less digits than its factorization.

230425130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772521.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230425130 is about 15179.7605382957. The cubic root of 230425130 is about 613.0698337111.

Adding to 230425130 its reverse (31524032), we get a palindrome (261949162).

The spelling of 230425130 in words is "two hundred thirty million, four hundred twenty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1772501 3545002 8862505 17725010 23042513 46085026 115212565 230425130