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116873609 = 643181763
BaseRepresentation
bin1101111011101…
…01100110001001
322010220210110012
412331311212021
5214404423414
615333001305
72616260246
oct675654611
9263823405
10116873609
115aa76966
1233183235
131b2a0ba8
14117445cd
15a3d933e
hex6f75989

116873609 has 4 divisors (see below), whose sum is σ = 117056016. Its totient is φ = 116691204.

The previous prime is 116873593. The next prime is 116873611. The reversal of 116873609 is 906378611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906378611 = 4571983323.

It is a cyclic number.

It is not a de Polignac number, because 116873609 - 24 = 116873593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116833609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90239 + ... + 91524.

It is an arithmetic number, because the mean of its divisors is an integer number (29264004).

Almost surely, 2116873609 is an apocalyptic number.

It is an amenable number.

116873609 is a deficient number, since it is larger than the sum of its proper divisors (182407).

116873609 is an equidigital number, since it uses as much as digits as its factorization.

116873609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182406.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 116873609 is about 10810.8098216554. The cubic root of 116873609 is about 488.9211429612.

The spelling of 116873609 in words is "one hundred sixteen million, eight hundred seventy-three thousand, six hundred nine".

Divisors: 1 643 181763 116873609