Search a number
-
+
115130255 = 541797109
BaseRepresentation
bin1101101110010…
…11111110001111
322000122020000112
412313023332033
5213433132010
615231350235
72565406502
oct667137617
9260566015
10115130255
1159a96079
123268237b
131ab10516
141140d139
15a192a05
hex6dcbf8f

115130255 has 16 divisors (see below), whose sum is σ = 143337600. Its totient is φ = 88707840.

The previous prime is 115130233. The next prime is 115130303. The reversal of 115130255 is 552031511.

It is a happy number.

It is not a de Polignac number, because 115130255 - 28 = 115129999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115130255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12641 + ... + 19749.

It is an arithmetic number, because the mean of its divisors is an integer number (8958600).

Almost surely, 2115130255 is an apocalyptic number.

115130255 is a deficient number, since it is larger than the sum of its proper divisors (28207345).

115130255 is an equidigital number, since it uses as much as digits as its factorization.

115130255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7234.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 115130255 is about 10729.8767467292. The cubic root of 115130255 is about 486.4779446425.

Adding to 115130255 its reverse (552031511), we get a palindrome (667161766).

The spelling of 115130255 in words is "one hundred fifteen million, one hundred thirty thousand, two hundred fifty-five".

Divisors: 1 5 41 79 205 395 3239 7109 16195 35545 291469 561611 1457345 2808055 23026051 115130255