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70848613 = 116440783
BaseRepresentation
bin1000011100100…
…01000001100101
311221022111000201
410032101001211
5121114123423
611010310501
71520126503
oct416210145
9157274021
1070848613
1136aa0680
121b888431
13118a7b74
1495a3673
1563472ad
hex4391065

70848613 has 4 divisors (see below), whose sum is σ = 77289408. Its totient is φ = 64407820.

The previous prime is 70848611. The next prime is 70848619. The reversal of 70848613 is 31684807.

It is a happy number.

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 70848613 - 21 = 70848611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70848611) 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, 3220381 + ... + 3220402.

It is an arithmetic number, because the mean of its divisors is an integer number (19322352).

Almost surely, 270848613 is an apocalyptic number.

It is an amenable number.

70848613 is a deficient number, since it is larger than the sum of its proper divisors (6440795).

70848613 is a wasteful number, since it uses less digits than its factorization.

70848613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440794.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 70848613 is about 8417.1618138182. The cubic root of 70848613 is about 413.7872622465.

The spelling of 70848613 in words is "seventy million, eight hundred forty-eight thousand, six hundred thirteen".

Divisors: 1 11 6440783 70848613