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64084045 = 521535953
BaseRepresentation
bin1111010001110…
…1100001001101
311110120210210011
43310131201031
5112401142140
610205313221
71405463644
oct364354115
9143523704
1064084045
11331a0323
1219565811
1310379b6c
14872235b
15595ccea
hex3d1d84d

64084045 has 8 divisors (see below), whose sum is σ = 76949496. Its totient is φ = 51234816.

The previous prime is 64084001. The next prime is 64084091. The reversal of 64084045 is 54048046.

It can be written as a sum of positive squares in 4 ways, for example, as 4901796 + 59182249 = 2214^2 + 7693^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64084045 - 219 = 63559757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64083998 and 64084016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7789 + ... + 13741.

It is an arithmetic number, because the mean of its divisors is an integer number (9618687).

Almost surely, 264084045 is an apocalyptic number.

It is an amenable number.

64084045 is a deficient number, since it is larger than the sum of its proper divisors (12865451).

64084045 is a wasteful number, since it uses less digits than its factorization.

64084045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 64084045 is about 8005.2510891289. The cubic root of 64084045 is about 400.1750171613.

The spelling of 64084045 in words is "sixty-four million, eighty-four thousand, forty-five".

Divisors: 1 5 2153 5953 10765 29765 12816809 64084045