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70855201 = 174167953
BaseRepresentation
bin1000011100100…
…10101000100001
311221022211001201
410032102220201
5121114331301
611010401201
71520154634
oct416225041
9157284051
1070855201
1136aa561a
121b890201
13118aab71
1495a5c1b
156349201
hex4392a21

70855201 has 4 divisors (see below), whose sum is σ = 75023172. Its totient is φ = 66687232.

The previous prime is 70855171. The next prime is 70855217. The reversal of 70855201 is 10255807.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46253601 + 24601600 = 6801^2 + 4960^2 .

It is a cyclic number.

It is not a de Polignac number, because 70855201 - 29 = 70854689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70855201.

It is not an unprimeable number, because it can be changed into a prime (70855241) 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, 2083960 + ... + 2083993.

It is an arithmetic number, because the mean of its divisors is an integer number (18755793).

Almost surely, 270855201 is an apocalyptic number.

It is an amenable number.

70855201 is a deficient number, since it is larger than the sum of its proper divisors (4167971).

70855201 is a wasteful number, since it uses less digits than its factorization.

70855201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167970.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 70855201 is about 8417.5531480354. The cubic root of 70855201 is about 413.8000874611.

The spelling of 70855201 in words is "seventy million, eight hundred fifty-five thousand, two hundred one".

Divisors: 1 17 4167953 70855201