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70315043 = 174136179
BaseRepresentation
bin1000011000011…
…10110000100011
311220022101002212
410030032300203
5121000040133
610551032335
71512445061
oct414166043
9156271085
1070315043
1136766807
121b66b6ab
131174c046
1494a5031
15628e148
hex430ec23

70315043 has 4 divisors (see below), whose sum is σ = 74451240. Its totient is φ = 66178848.

The previous prime is 70315031. The next prime is 70315051. The reversal of 70315043 is 34051307.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70315043 - 216 = 70249507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70315543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068073 + ... + 2068106.

It is an arithmetic number, because the mean of its divisors is an integer number (18612810).

Almost surely, 270315043 is an apocalyptic number.

70315043 is a deficient number, since it is larger than the sum of its proper divisors (4136197).

70315043 is a wasteful number, since it uses less digits than its factorization.

70315043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136196.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 70315043 is about 8385.4065494763. The cubic root of 70315043 is about 412.7458819339.

The spelling of 70315043 in words is "seventy million, three hundred fifteen thousand, forty-three".

Divisors: 1 17 4136179 70315043