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115030000 = 245411503
BaseRepresentation
bin1101101101100…
…11011111110000
322000110010111101
412312303133300
5213421430000
615225254144
72564511301
oct666633760
9260403441
10115030000
1159a27818
1232634354
131aaa69b7
14113c47a8
15a172e6a
hex6db37f0

115030000 has 50 divisors (see below), whose sum is σ = 278523344. Its totient is φ = 46008000.

The previous prime is 115029997. The next prime is 115030001. The reversal of 115030000 is 30511.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115030001) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 4249 + ... + 15751.

Almost surely, 2115030000 is an apocalyptic number.

115030000 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 115030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139261672).

115030000 is an abundant number, since it is smaller than the sum of its proper divisors (163493344).

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

115030000 is an equidigital number, since it uses as much as digits as its factorization.

115030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531 (or 11510 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 115030000 is about 10725.2039607646. The cubic root of 115030000 is about 486.3366959036.

Adding to 115030000 its reverse (30511), we get a palindrome (115060511).

The spelling of 115030000 in words is "one hundred fifteen million, thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 11503 23006 46012 57515 92024 115030 184048 230060 287575 460120 575150 920240 1150300 1437875 2300600 2875750 4601200 5751500 7189375 11503000 14378750 23006000 28757500 57515000 115030000