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64163045 = 535336353
BaseRepresentation
bin1111010011000…
…0110011100101
311110201211011002
43310300303211
5112411204140
610211123045
71406243162
oct364606345
9143654132
1064163045
1133244711
12195a3485
13103a6acb
148743069
155976415
hex3d30ce5

64163045 has 8 divisors (see below), whose sum is σ = 77215896. Its totient is φ = 51183616.

The previous prime is 64163039. The next prime is 64163063. The reversal of 64163045 is 54036146.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1705636 + 62457409 = 1306^2 + 7903^2 .

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 64163045 - 212 = 64158949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64162999 and 64163017.

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, 16412 + ... + 19941.

It is an arithmetic number, because the mean of its divisors is an integer number (9651987).

Almost surely, 264163045 is an apocalyptic number.

It is an amenable number.

64163045 is a deficient number, since it is larger than the sum of its proper divisors (13052851).

64163045 is a wasteful number, since it uses less digits than its factorization.

64163045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36711.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 64163045 is about 8010.1838305996. The cubic root of 64163045 is about 400.3393890396.

The spelling of 64163045 in words is "sixty-four million, one hundred sixty-three thousand, forty-five".

Divisors: 1 5 353 1765 36353 181765 12832609 64163045