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64924164 = 22321803449
BaseRepresentation
bin1111011110101…
…0101000000100
311112011111012200
43313222220010
5113110033124
610235314500
71415563164
oct367525004
9145144180
1064924164
1133714538
12198aba30
13105b2386
1488a05a4
155a76bc9
hex3deaa04

64924164 has 18 divisors (see below), whose sum is σ = 164113950. Its totient is φ = 21641376.

The previous prime is 64924151. The next prime is 64924231. The reversal of 64924164 is 46142946.

64924164 is a `hidden beast` number, since 6 + 492 + 4 + 164 = 666.

64924164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 16064064 = 6990^2 + 4008^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1803449 = 64924164 / (6 + 4 + 9 + 2 + 4 + 1 + 6 + 4).

It is a nude number because it is divisible by every one of its digits.

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 5 ways as a sum of consecutive naturals, for example, 901689 + ... + 901760.

Almost surely, 264924164 is an apocalyptic number.

It is an amenable number.

64924164 is an abundant number, since it is smaller than the sum of its proper divisors (99189786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64924164 is a wasteful number, since it uses less digits than its factorization.

64924164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803459 (or 1803454 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 64924164 is about 8057.5532266315. The cubic root of 64924164 is about 401.9161479522.

The spelling of 64924164 in words is "sixty-four million, nine hundred twenty-four thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 1803449 3606898 5410347 7213796 10820694 16231041 21641388 32462082 64924164