Search a number
-
+
115455500 = 225317347
BaseRepresentation
bin1101110000110…
…11011000001100
322001020202011122
412320123120030
5214024034000
615242340112
72601232646
oct670333014
9261222148
10115455500
115a198476
12327ba638
131abc5584
1411495896
15a209085
hex6e1b60c

115455500 has 96 divisors (see below), whose sum is σ = 273611520. Its totient is φ = 42540800.

The previous prime is 115455497. The next prime is 115455523. The reversal of 115455500 is 5554511.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 115455500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2456477 + ... + 2456523.

It is an arithmetic number, because the mean of its divisors is an integer number (2850120).

Almost surely, 2115455500 is an apocalyptic number.

115455500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115455500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136805760).

115455500 is an abundant number, since it is smaller than the sum of its proper divisors (158156020).

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

115455500 is an equidigital number, since it uses as much as digits as its factorization.

115455500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 115455500 is about 10745.0221032811. The cubic root of 115455500 is about 486.9356168585.

The spelling of 115455500 in words is "one hundred fifteen million, four hundred fifty-five thousand, five hundred".

Divisors: 1 2 4 5 10 17 20 25 34 47 50 68 85 94 100 125 170 188 235 250 289 340 425 470 500 578 799 850 940 1156 1175 1445 1598 1700 2125 2350 2890 3196 3995 4250 4700 4913 5780 5875 7225 7990 8500 9826 11750 13583 14450 15980 19652 19975 23500 24565 27166 28900 36125 39950 49130 54332 67915 72250 79900 98260 99875 122825 135830 144500 199750 230911 245650 271660 339575 399500 461822 491300 614125 679150 923644 1154555 1228250 1358300 1697875 2309110 2456500 3395750 4618220 5772775 6791500 11545550 23091100 28863875 57727750 115455500