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117970806 = 2319661801
BaseRepresentation
bin1110000100000…
…01011101110110
322012222112112010
413002001131312
5220200031211
615412305050
72631510132
oct702013566
9265875463
10117970806
1160656238
1233612186
131b596415
141194c3c2
15a5544a6
hex7081776

117970806 has 8 divisors (see below), whose sum is σ = 235941624. Its totient is φ = 39323600.

The previous prime is 117970781. The next prime is 117970819. The reversal of 117970806 is 608079711.

It is a sphenic number, since it is the product of 3 distinct primes.

117970806 is an admirable number.

It is a super-2 number, since 2×1179708062 = 27834222136579272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 9830895 + ... + 9830906.

It is an arithmetic number, because the mean of its divisors is an integer number (29492703).

Almost surely, 2117970806 is an apocalyptic number.

117970806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117970806 is a wasteful number, since it uses less digits than its factorization.

117970806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661806.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 117970806 is about 10861.4366453062. The cubic root of 117970806 is about 490.4463598951.

The spelling of 117970806 in words is "one hundred seventeen million, nine hundred seventy thousand, eight hundred six".

Divisors: 1 2 3 6 19661801 39323602 58985403 117970806