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230040125 = 53719101137
BaseRepresentation
bin11011011011000…
…10001000111101
3121000212020201122
431231202020331
5432342241000
634454320325
75462210630
oct1555421075
9530766648
10230040125
11108940607
12650590a5
1338874623
14227a1c17
15152e0085
hexdb6223d

230040125 has 64 divisors (see below), whose sum is σ = 351336960. Its totient is φ = 146880000.

The previous prime is 230040121. The next prime is 230040133. The reversal of 230040125 is 521040032.

It is not a de Polignac number, because 230040125 - 22 = 230040121 is a prime.

It is a super-2 number, since 2×2300401252 = 105836918220031250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230040121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1679057 + ... + 1679193.

It is an arithmetic number, because the mean of its divisors is an integer number (5489640).

Almost surely, 2230040125 is an apocalyptic number.

230040125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230040125 is a deficient number, since it is larger than the sum of its proper divisors (121296835).

230040125 is a wasteful number, since it uses less digits than its factorization.

230040125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 230040125 is about 15167.0737124865. The cubic root of 230040125 is about 612.7281948559.

Adding to 230040125 its reverse (521040032), we get a palindrome (751080157).

The spelling of 230040125 in words is "two hundred thirty million, forty thousand, one hundred twenty-five".

Divisors: 1 5 7 19 25 35 95 101 125 133 137 175 475 505 665 685 707 875 959 1919 2375 2525 2603 3325 3425 3535 4795 9595 12625 13015 13433 13837 16625 17125 17675 18221 23975 47975 65075 67165 69185 88375 91105 96859 119875 239875 262903 325375 335825 345925 455525 484295 1314515 1679125 1729625 1840321 2277625 2421475 6572575 9201605 12107375 32862875 46008025 230040125