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70116897 = 3196611861
BaseRepresentation
bin1000010110111…
…10011000100001
311212221022022010
410023132120201
5120422220042
610542503133
71510661304
oct413363041
9155838263
1070116897
1136640954
121b594aa9
13116acab6
149452b3b
15625059c
hex42de621

70116897 has 16 divisors (see below), whose sum is σ = 98611520. Its totient is φ = 44193600.

The previous prime is 70116869. The next prime is 70116899. The reversal of 70116897 is 79861107.

It is not a de Polignac number, because 70116897 - 27 = 70116769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70116899) 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, 36747 + ... + 38607.

It is an arithmetic number, because the mean of its divisors is an integer number (6163220).

Almost surely, 270116897 is an apocalyptic number.

It is an amenable number.

70116897 is a deficient number, since it is larger than the sum of its proper divisors (28494623).

70116897 is a wasteful number, since it uses less digits than its factorization.

70116897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544.

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

The square root of 70116897 is about 8373.5832831590. The cubic root of 70116897 is about 412.3578147238.

The spelling of 70116897 in words is "seventy million, one hundred sixteen thousand, eight hundred ninety-seven".

Divisors: 1 3 19 57 661 1861 1983 5583 12559 35359 37677 106077 1230121 3690363 23372299 70116897