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116515361 = 214154421
BaseRepresentation
bin1101111000111…
…10001000100001
322010020121000202
412330132020201
5214311442421
615321154545
72613235634
oct674361041
9263217022
10116515361
115a851796
123302ba55
131b1a6b01
141168dc1b
15a36810b
hex6f1e221

116515361 has 4 divisors (see below), whose sum is σ = 116571924. Its totient is φ = 116458800.

The previous prime is 116515291. The next prime is 116515363. The reversal of 116515361 is 163515611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163515611 = 723359373.

It can be written as a sum of positive squares in 2 ways, for example, as 107848225 + 8667136 = 10385^2 + 2944^2 .

It is a cyclic number.

It is not a de Polignac number, because 116515361 - 218 = 116253217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116515363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25070 + ... + 29351.

It is an arithmetic number, because the mean of its divisors is an integer number (29142981).

Almost surely, 2116515361 is an apocalyptic number.

It is an amenable number.

116515361 is a deficient number, since it is larger than the sum of its proper divisors (56563).

116515361 is an equidigital number, since it uses as much as digits as its factorization.

116515361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56562.

The product of its digits is 2700, while the sum is 29.

The square root of 116515361 is about 10794.2281335907. The cubic root of 116515361 is about 488.4210748570.

The spelling of 116515361 in words is "one hundred sixteen million, five hundred fifteen thousand, three hundred sixty-one".

Divisors: 1 2141 54421 116515361