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70985365 = 5111290643
BaseRepresentation
bin1000011101100…
…10011010010101
311221120102121121
410032302122111
5121133012430
611013243541
71521236263
oct416623225
9157512547
1070985365
11370843a0
121b9335b1
1311925199
1495db433
156372a7a
hex43b2695

70985365 has 8 divisors (see below), whose sum is σ = 92926368. Its totient is φ = 51625680.

The previous prime is 70985347. The next prime is 70985393. The reversal of 70985365 is 56358907.

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

It is not a de Polignac number, because 70985365 - 25 = 70985333 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 645267 + ... + 645376.

It is an arithmetic number, because the mean of its divisors is an integer number (11615796).

Almost surely, 270985365 is an apocalyptic number.

It is an amenable number.

70985365 is a deficient number, since it is larger than the sum of its proper divisors (21941003).

70985365 is a wasteful number, since it uses less digits than its factorization.

70985365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290659.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 70985365 is about 8425.2813009418. The cubic root of 70985365 is about 414.0533218756.

The spelling of 70985365 in words is "seventy million, nine hundred eighty-five thousand, three hundred sixty-five".

Divisors: 1 5 11 55 1290643 6453215 14197073 70985365