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70565074 = 2891093637
BaseRepresentation
bin1000011010010…
…11110011010010
311220210002002021
410031023303102
5121031040244
611000242054
71514536036
oct415136322
9156702067
1070565074
1136917648
121b77032a
1311808aa8
14952c1c6
1562dd284
hex434bcd2

70565074 has 16 divisors (see below), whose sum is σ = 108048600. Its totient is φ = 34556544.

The previous prime is 70565071. The next prime is 70565093. The reversal of 70565074 is 47056507.

It can be written as a sum of positive squares in 4 ways, for example, as 36517849 + 34047225 = 6043^2 + 5835^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70565071) 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 7 ways as a sum of consecutive naturals, for example, 17584 + ... + 21220.

Almost surely, 270565074 is an apocalyptic number.

70565074 is a deficient number, since it is larger than the sum of its proper divisors (37483526).

70565074 is a wasteful number, since it uses less digits than its factorization.

70565074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 70565074 is about 8400.3020183801. The cubic root of 70565074 is about 413.2345264747.

The spelling of 70565074 in words is "seventy million, five hundred sixty-five thousand, seventy-four".

Divisors: 1 2 89 109 178 218 3637 7274 9701 19402 323693 396433 647386 792866 35282537 70565074