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115049290 = 25103111159
BaseRepresentation
bin1101101101110…
…00001101001010
322000111002221211
412312320031022
5213423034130
615225523334
72564621446
oct666701512
9260432854
10115049290
1159a40264
123264354a
131aab2705
14113cb826
15a178a2a
hex6db834a

115049290 has 16 divisors (see below), whose sum is σ = 207308160. Its totient is φ = 45970960.

The previous prime is 115049281. The next prime is 115049299. The reversal of 115049290 is 92940511.

It is an interprime number because it is at equal distance from previous prime (115049281) and next prime (115049299).

It is not an unprimeable number, because it can be changed into a prime (115049299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731 + ... + 15889.

It is an arithmetic number, because the mean of its divisors is an integer number (12956760).

Almost surely, 2115049290 is an apocalyptic number.

115049290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115049290 is a deficient number, since it is larger than the sum of its proper divisors (92258870).

115049290 is a wasteful number, since it uses less digits than its factorization.

115049290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12197.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 115049290 is about 10726.1032066636. The cubic root of 115049290 is about 486.3638798571.

The spelling of 115049290 in words is "one hundred fifteen million, forty-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 1031 2062 5155 10310 11159 22318 55795 111590 11504929 23009858 57524645 115049290