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230158325 = 5217541549
BaseRepresentation
bin11011011011111…
…10111111110101
3121001002020212102
431231332333311
5432410031300
634501031445
75463212345
oct1555767765
9531066772
10230158325
11108a113a1
12650b5585
13388b6377
14227d2d25
15153150d5
hexdb7eff5

230158325 has 12 divisors (see below), whose sum is σ = 302184900. Its totient is φ = 173295360.

The previous prime is 230158303. The next prime is 230158387. The reversal of 230158325 is 523851032.

It can be written as a sum of positive squares in 6 ways, for example, as 16589329 + 213568996 = 4073^2 + 14614^2 .

It is not a de Polignac number, because 230158325 - 28 = 230158069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270350 + ... + 271199.

It is an arithmetic number, because the mean of its divisors is an integer number (25182075).

Almost surely, 2230158325 is an apocalyptic number.

230158325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230158325 is a deficient number, since it is larger than the sum of its proper divisors (72026575).

230158325 is a wasteful number, since it uses less digits than its factorization.

230158325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541576 (or 541571 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 230158325 is about 15170.9698107932. The cubic root of 230158325 is about 612.8331215822.

The spelling of 230158325 in words is "two hundred thirty million, one hundred fifty-eight thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 541549 2707745 9206333 13538725 46031665 230158325