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70855868 = 2217713967
BaseRepresentation
bin1000011100100…
…10110010111100
311221022211222102
410032102302330
5121114341433
611010404232
71520156606
oct416226274
9157284872
1070855868
1136aa6076
121b890678
13118ab265
1495a6176
1563494e8
hex4392cbc

70855868 has 6 divisors (see below), whose sum is σ = 123997776. Its totient is φ = 35427932.

The previous prime is 70855867. The next prime is 70855871. The reversal of 70855868 is 86855807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70855861) 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 as a sum of consecutive naturals, namely, 8856980 + ... + 8856987.

It is an arithmetic number, because the mean of its divisors is an integer number (20666296).

Almost surely, 270855868 is an apocalyptic number.

It is an amenable number.

70855868 is a deficient number, since it is larger than the sum of its proper divisors (53141908).

70855868 is a wasteful number, since it uses less digits than its factorization.

70855868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713971 (or 17713969 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 70855868 is about 8417.5927675316. The cubic root of 70855868 is about 413.8013859016.

The spelling of 70855868 in words is "seventy million, eight hundred fifty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 17713967 35427934 70855868