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64529045 = 571843687
BaseRepresentation
bin1111011000101…
…0001010010101
311111102102012122
43312022022111
5113004412140
610223025325
71412326220
oct366121225
9144372178
1064529045
1133474699
121973b245
13104a4589
1487da5b7
1559e9ab5
hex3d8a295

64529045 has 8 divisors (see below), whose sum is σ = 88497024. Its totient is φ = 44248464.

The previous prime is 64529029. The next prime is 64529051. The reversal of 64529045 is 54092546.

It is a happy number.

64529045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64529045 - 24 = 64529029 is a prime.

It is a super-2 number, since 2×645290452 = 8327995297224050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1843687 = 64529045 / (6 + 4 + 5 + 2 + 9 + 0 + 4 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 64528996 and 64529014.

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, 921809 + ... + 921878.

It is an arithmetic number, because the mean of its divisors is an integer number (11062128).

Almost surely, 264529045 is an apocalyptic number.

It is an amenable number.

64529045 is a deficient number, since it is larger than the sum of its proper divisors (23967979).

64529045 is a wasteful number, since it uses less digits than its factorization.

64529045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843699.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 64529045 is about 8032.9972612967. The cubic root of 64529045 is about 401.0991539682.

The spelling of 64529045 in words is "sixty-four million, five hundred twenty-nine thousand, forty-five".

Divisors: 1 5 7 35 1843687 9218435 12905809 64529045