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230125555 = 51131711901
BaseRepresentation
bin11011011011101…
…10111111110011
3121001000120220201
431231312333303
5432403004210
634500220031
75463014662
oct1555667763
9531016821
10230125555
11108999810
126509a617
13388a448a
14227c4dd9
151530a53a
hexdb76ff3

230125555 has 32 divisors (see below), whose sum is σ = 315518976. Its totient is φ = 159600000.

The previous prime is 230125543. The next prime is 230125589. The reversal of 230125555 is 555521032.

It is not a de Polignac number, because 230125555 - 29 = 230125043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120105 + ... + 122005.

It is an arithmetic number, because the mean of its divisors is an integer number (9859968).

Almost surely, 2230125555 is an apocalyptic number.

230125555 is a deficient number, since it is larger than the sum of its proper divisors (85393421).

230125555 is a wasteful number, since it uses less digits than its factorization.

230125555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 230125555 is about 15169.8897491050. The cubic root of 230125555 is about 612.8040350905.

Adding to 230125555 its reverse (555521032), we get a palindrome (785646587).

The spelling of 230125555 in words is "two hundred thirty million, one hundred twenty-five thousand, five hundred fifty-five".

Divisors: 1 5 11 31 55 71 155 341 355 781 1705 1901 2201 3905 9505 11005 20911 24211 58931 104555 121055 134971 294655 648241 674855 1484681 3241205 4184101 7423405 20920505 46025111 230125555