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70081708 = 2217520427
BaseRepresentation
bin1000010110101…
…01110010101100
311212212112000211
410023111302230
5120420103313
610542032204
71510453564
oct413256254
9155775024
1070081708
1136617474
121b578664
1311699a88
149443da4
156244e3d
hex42d5cac

70081708 has 6 divisors (see below), whose sum is σ = 122642996. Its totient is φ = 35040852.

The previous prime is 70081699. The next prime is 70081733. The reversal of 70081708 is 80718007.

It is a super-2 number, since 2×700817082 = 9822891592394528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70081708.

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 as a sum of consecutive naturals, namely, 8760210 + ... + 8760217.

Almost surely, 270081708 is an apocalyptic number.

It is an amenable number.

70081708 is a deficient number, since it is larger than the sum of its proper divisors (52561288).

70081708 is a wasteful number, since it uses less digits than its factorization.

70081708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17520431 (or 17520429 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 70081708 is about 8371.4818282070. The cubic root of 70081708 is about 412.2888209536.

The spelling of 70081708 in words is "seventy million, eighty-one thousand, seven hundred eight".

Divisors: 1 2 4 17520427 35040854 70081708