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70855053 = 323618351
BaseRepresentation
bin1000011100100…
…10100110001101
311221022210212020
410032102212031
5121114330203
611010400353
71520154333
oct416224615
9157283766
1070855053
1136aa54a5
121b8900b9
13118aaa89
1495a5b53
156349153
hex439298d

70855053 has 4 divisors (see below), whose sum is σ = 94473408. Its totient is φ = 47236700.

The previous prime is 70855051. The next prime is 70855061. The reversal of 70855053 is 35055807.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70855053 - 21 = 70855051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70855051) 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, 11809173 + ... + 11809178.

It is an arithmetic number, because the mean of its divisors is an integer number (23618352).

Almost surely, 270855053 is an apocalyptic number.

It is an amenable number.

70855053 is a deficient number, since it is larger than the sum of its proper divisors (23618355).

70855053 is a wasteful number, since it uses less digits than its factorization.

70855053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23618354.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 70855053 is about 8417.5443568775. The cubic root of 70855053 is about 413.7997993502.

The spelling of 70855053 in words is "seventy million, eight hundred fifty-five thousand, fifty-three".

Divisors: 1 3 23618351 70855053