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445679065 = 5136856601
BaseRepresentation
bin11010100100001…
…000010111011001
31011001121211202001
4122210020113121
51403043212230
6112120241001
714021131606
oct3244102731
91131554661
10445679065
11209635307
12105310161
1371446030
14432956ad
15291d80ca
hex1a9085d9

445679065 has 8 divisors (see below), whose sum is σ = 575954568. Its totient is φ = 329116800.

The previous prime is 445679057. The next prime is 445679071. The reversal of 445679065 is 560976544.

It can be written as a sum of positive squares in 4 ways, for example, as 2534464 + 443144601 = 1592^2 + 21051^2 .

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

It is not a de Polignac number, because 445679065 - 23 = 445679057 is a prime.

It is a Duffinian 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, 3428236 + ... + 3428365.

It is an arithmetic number, because the mean of its divisors is an integer number (71994321).

Almost surely, 2445679065 is an apocalyptic number.

It is an amenable number.

445679065 is a deficient number, since it is larger than the sum of its proper divisors (130275503).

445679065 is a wasteful number, since it uses less digits than its factorization.

445679065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856619.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 445679065 is about 21111.1123581871. The cubic root of 445679065 is about 763.8488189161.

It can be divided in two parts, 4456 and 79065, that added together give a 4-th power (83521 = 174).

The spelling of 445679065 in words is "four hundred forty-five million, six hundred seventy-nine thousand, sixty-five".

Divisors: 1 5 13 65 6856601 34283005 89135813 445679065