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115424090 = 2537311957
BaseRepresentation
bin1101110000100…
…11101101011010
322001012011002022
412320103231122
5214022032330
615241534442
72601042245
oct670235532
9261164068
10115424090
115a176911
12327a4422
131abb41a2
141148825c
15a1eeae5
hex6e13b5a

115424090 has 16 divisors (see below), whose sum is σ = 213379272. Its totient is φ = 44921664.

The previous prime is 115424087. The next prime is 115424137. The reversal of 115424090 is 90424511.

It can be written as a sum of positive squares in 4 ways, for example, as 115326121 + 97969 = 10739^2 + 313^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155609 + ... + 156348.

Almost surely, 2115424090 is an apocalyptic number.

115424090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115424090 is a deficient number, since it is larger than the sum of its proper divisors (97955182).

115424090 is a wasteful number, since it uses less digits than its factorization.

115424090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312001.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 115424090 is about 10743.5603968145. The cubic root of 115424090 is about 486.8914554430.

The spelling of 115424090 in words is "one hundred fifteen million, four hundred twenty-four thousand, ninety".

Divisors: 1 2 5 10 37 74 185 370 311957 623914 1559785 3119570 11542409 23084818 57712045 115424090