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64089485 = 512817897
BaseRepresentation
bin1111010001111…
…0110110001101
311110121002020122
43310132312031
5112401330420
610205354325
71405515545
oct364366615
9143532218
1064089485
11331a4419
12195689a5
131037c495
148724325
15595e725
hex3d1ed8d

64089485 has 4 divisors (see below), whose sum is σ = 76907388. Its totient is φ = 51271584.

The previous prime is 64089463. The next prime is 64089491. The reversal of 64089485 is 58498046.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14485636 + 49603849 = 3806^2 + 7043^2 .

It is a cyclic number.

It is not a de Polignac number, because 64089485 - 210 = 64088461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6408944 + ... + 6408953.

It is an arithmetic number, because the mean of its divisors is an integer number (19226847).

Almost surely, 264089485 is an apocalyptic number.

It is an amenable number.

64089485 is a deficient number, since it is larger than the sum of its proper divisors (12817903).

64089485 is a wasteful number, since it uses less digits than its factorization.

64089485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12817902.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 64089485 is about 8005.5908588936. The cubic root of 64089485 is about 400.1863402631.

The spelling of 64089485 in words is "sixty-four million, eighty-nine thousand, four hundred eighty-five".

Divisors: 1 5 12817897 64089485