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70016313 = 323338771
BaseRepresentation
bin1000010110001…
…01110100111001
311212202012022210
410023011310321
5120411010223
610540405333
71510062123
oct413056471
9155665283
1070016313
1136582324
121b546849
1311676093
149428213
156230893
hex42c5d39

70016313 has 4 divisors (see below), whose sum is σ = 93355088. Its totient is φ = 46677540.

The previous prime is 70016299. The next prime is 70016329. The reversal of 70016313 is 31361007.

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 not a de Polignac number, because 70016313 - 25 = 70016281 is a prime.

It is a super-2 number, since 2×700163132 = 9804568172227938, which contains 22 as substring.

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 70016313.

It is not an unprimeable number, because it can be changed into a prime (70016333) 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 in 3 ways as a sum of consecutive naturals, for example, 11669383 + ... + 11669388.

It is an arithmetic number, because the mean of its divisors is an integer number (23338772).

Almost surely, 270016313 is an apocalyptic number.

It is an amenable number.

70016313 is a deficient number, since it is larger than the sum of its proper divisors (23338775).

70016313 is a wasteful number, since it uses less digits than its factorization.

70016313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23338774.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 70016313 is about 8367.5750967649. The cubic root of 70016313 is about 412.1605420310.

The spelling of 70016313 in words is "seventy million, sixteen thousand, three hundred thirteen".

Divisors: 1 3 23338771 70016313