Search a number
-
+
115153870 = 251319232027
BaseRepresentation
bin1101101110100…
…01101111001110
322000200102102011
412313101233032
5213434410440
615232051434
72565535366
oct667215716
9260612364
10115153870
115a001897
1232693b7a
131ab1b1b0
14114179a6
15a1999ea
hex6dd1bce

115153870 has 64 divisors (see below), whose sum is σ = 245306880. Its totient is φ = 38510208.

The previous prime is 115153861. The next prime is 115153891. The reversal of 115153870 is 78351511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55797 + ... + 57823.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 2115153870 is an apocalyptic number.

115153870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115153870 is an abundant number, since it is smaller than the sum of its proper divisors (130153010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115153870 is a wasteful number, since it uses less digits than its factorization.

115153870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 115153870 is about 10730.9771223314. The cubic root of 115153870 is about 486.5112037578.

The spelling of 115153870 in words is "one hundred fifteen million, one hundred fifty-three thousand, eight hundred seventy".

Divisors: 1 2 5 10 13 19 23 26 38 46 65 95 115 130 190 230 247 299 437 494 598 874 1235 1495 2027 2185 2470 2990 4054 4370 5681 10135 11362 20270 26351 28405 38513 46621 52702 56810 77026 93242 131755 192565 233105 263510 385130 466210 500669 606073 885799 1001338 1212146 1771598 2503345 3030365 4428995 5006690 6060730 8857990 11515387 23030774 57576935 115153870