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115650145 = 51315111783
BaseRepresentation
bin1101110010010…
…10111001100001
322001121122011201
412321022321201
5214101301040
615250441201
72603003302
oct671127141
9261548151
10115650145
115a310736
1232893201
131ac63050
14115067a9
15a246a9a
hex6e4ae61

115650145 has 16 divisors (see below), whose sum is σ = 150458112. Its totient is φ = 84830400.

The previous prime is 115650121. The next prime is 115650149. The reversal of 115650145 is 541056511.

It is a happy number.

It is not a de Polignac number, because 115650145 - 25 = 115650113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115650149) 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, 3924 + ... + 15706.

It is an arithmetic number, because the mean of its divisors is an integer number (9403632).

Almost surely, 2115650145 is an apocalyptic number.

It is an amenable number.

115650145 is a deficient number, since it is larger than the sum of its proper divisors (34807967).

115650145 is a wasteful number, since it uses less digits than its factorization.

115650145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 115650145 is about 10754.0757389931. The cubic root of 115650145 is about 487.2091028059.

The spelling of 115650145 in words is "one hundred fifteen million, six hundred fifty thousand, one hundred forty-five".

Divisors: 1 5 13 65 151 755 1963 9815 11783 58915 153179 765895 1779233 8896165 23130029 115650145