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70344404 = 22131352777
BaseRepresentation
bin1000011000101…
…01111011010100
311220100212101022
410030111323110
5121002010104
610551420312
71512626504
oct414257324
9156325338
1070344404
1136786879
121b684698
131175c510
1494b1a04
156297bbe
hex4315ed4

70344404 has 12 divisors (see below), whose sum is σ = 132572244. Its totient is φ = 32466624.

The previous prime is 70344389. The next prime is 70344433. The reversal of 70344404 is 40444307.

It can be written as a sum of positive squares in 2 ways, for example, as 30780304 + 39564100 = 5548^2 + 6290^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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, 676337 + ... + 676440.

It is an arithmetic number, because the mean of its divisors is an integer number (11047687).

Almost surely, 270344404 is an apocalyptic number.

It is an amenable number.

70344404 is a deficient number, since it is larger than the sum of its proper divisors (62227840).

70344404 is a wasteful number, since it uses less digits than its factorization.

70344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352794 (or 1352792 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 70344404 is about 8387.1570868799. The cubic root of 70344404 is about 412.8033231534.

The spelling of 70344404 in words is "seventy million, three hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 13 26 52 1352777 2705554 5411108 17586101 35172202 70344404