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116830905 = 3519409933
BaseRepresentation
bin1101111011010…
…11001010111001
322010211121212120
412331223022321
5214402042110
615332031453
72616021612
oct675531271
9263747776
10116830905
115aa47874
1233162589
131b287619
1411732c09
15a3cb870
hex6f6b2b9

116830905 has 16 divisors (see below), whose sum is σ = 196768320. Its totient is φ = 59030208.

The previous prime is 116830897. The next prime is 116830907. The reversal of 116830905 is 509038611.

It is not a de Polignac number, because 116830905 - 23 = 116830897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116830907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204682 + ... + 205251.

It is an arithmetic number, because the mean of its divisors is an integer number (12298020).

Almost surely, 2116830905 is an apocalyptic number.

116830905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116830905 is a deficient number, since it is larger than the sum of its proper divisors (79937415).

116830905 is a wasteful number, since it uses less digits than its factorization.

116830905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409960.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 116830905 is about 10808.8345810268. The cubic root of 116830905 is about 488.8615873662.

The spelling of 116830905 in words is "one hundred sixteen million, eight hundred thirty thousand, nine hundred five".

Divisors: 1 3 5 15 19 57 95 285 409933 1229799 2049665 6148995 7788727 23366181 38943635 116830905