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115725030 = 2357154331
BaseRepresentation
bin1101110010111…
…01001011100110
322001202102220020
412321131023212
5214111200110
615252220010
72603434521
oct671351346
9261672806
10115725030
115a361a23
123290a606
131ac8b165
1411525bb8
15a25dd70
hex6e5d2e6

115725030 has 32 divisors (see below), whose sum is σ = 281657088. Its totient is φ = 30424800.

The previous prime is 115725017. The next prime is 115725031. The reversal of 115725030 is 30527511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115725031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25036 + ... + 29295.

It is an arithmetic number, because the mean of its divisors is an integer number (8801784).

Almost surely, 2115725030 is an apocalyptic number.

115725030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115725030 is an abundant number, since it is smaller than the sum of its proper divisors (165932058).

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

115725030 is a wasteful number, since it uses less digits than its factorization.

115725030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54412.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 115725030 is about 10757.5568787713. The cubic root of 115725030 is about 487.3142382317.

The spelling of 115725030 in words is "one hundred fifteen million, seven hundred twenty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 54331 108662 162993 271655 325986 543310 814965 1629930 3857501 7715002 11572503 19287505 23145006 38575010 57862515 115725030