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70344023 = 195237079
BaseRepresentation
bin1000011000101…
…01110101010111
311220100211212012
410030111311113
5121002002043
610551414435
71512625421
oct414256527
9156324765
1070344023
1136786562
121b68441b
131175c2a9
1494b1811
156297a18
hex4315d57

70344023 has 8 divisors (see below), whose sum is σ = 74198400. Its totient is φ = 66504888.

The previous prime is 70344013. The next prime is 70344059. The reversal of 70344023 is 32044307.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70344023 - 226 = 3235159 is a prime.

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 70344023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70344013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6398 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (9274800).

Almost surely, 270344023 is an apocalyptic number.

70344023 is a deficient number, since it is larger than the sum of its proper divisors (3854377).

70344023 is a wasteful number, since it uses less digits than its factorization.

70344023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 70344023 is about 8387.1343735510. The cubic root of 70344023 is about 412.8025778757.

The spelling of 70344023 in words is "seventy million, three hundred forty-four thousand, twenty-three".

Divisors: 1 19 523 7079 9937 134501 3702317 70344023