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70319295 = 3253314721
BaseRepresentation
bin1000011000011…
…11110010111111
311220022120221100
410030033302333
5121000204140
610551104143
71512463344
oct414176277
9156276840
1070319295
1136769a22
121b672053
1311750c67
1494a67cb
156290530
hex430fcbf

70319295 has 24 divisors (see below), whose sum is σ = 122280912. Its totient is φ = 37382400.

The previous prime is 70319261. The next prime is 70319299. The reversal of 70319295 is 59291307.

It is not a de Polignac number, because 70319295 - 26 = 70319231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70319299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12535 + ... + 17255.

It is an arithmetic number, because the mean of its divisors is an integer number (5095038).

Almost surely, 270319295 is an apocalyptic number.

70319295 is a deficient number, since it is larger than the sum of its proper divisors (51961617).

70319295 is a wasteful number, since it uses less digits than its factorization.

70319295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5060 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 70319295 is about 8385.6600813532. The cubic root of 70319295 is about 412.7542014439.

The spelling of 70319295 in words is "seventy million, three hundred nineteen thousand, two hundred ninety-five".

Divisors: 1 3 5 9 15 45 331 993 1655 2979 4721 4965 14163 14895 23605 42489 70815 212445 1562651 4687953 7813255 14063859 23439765 70319295