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115472220 = 22351924537
BaseRepresentation
bin1101110000111…
…11011101011100
322001021121002220
412320133131130
5214030102340
615242545340
72601332463
oct670373534
9261247086
10115472220
115a1a9a96
1232808250
131ac00076
141149b9da
15a20ded0
hex6e1f75c

115472220 has 24 divisors (see below), whose sum is σ = 323322384. Its totient is φ = 30792576.

The previous prime is 115472219. The next prime is 115472233. The reversal of 115472220 is 22274511.

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 7 ways as a sum of consecutive naturals, for example, 962209 + ... + 962328.

It is an arithmetic number, because the mean of its divisors is an integer number (13471766).

Almost surely, 2115472220 is an apocalyptic number.

115472220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115472220 is an abundant number, since it is smaller than the sum of its proper divisors (207850164).

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

115472220 is a wasteful number, since it uses less digits than its factorization.

115472220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924549 (or 1924547 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 115472220 is about 10745.8001098103. The cubic root of 115472220 is about 486.9591213560.

The spelling of 115472220 in words is "one hundred fifteen million, four hundred seventy-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1924537 3849074 5773611 7698148 9622685 11547222 19245370 23094444 28868055 38490740 57736110 115472220