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64114609 = 134931893
BaseRepresentation
bin1111010010010…
…0111110110001
311110122100201011
43310210332301
5112403131414
610210110521
71405652026
oct364447661
9143570634
1064114609
1133211289
121957b441
131038aa50
14872d54d
155966dc4
hex3d24fb1

64114609 has 4 divisors (see below), whose sum is σ = 69046516. Its totient is φ = 59182704.

The previous prime is 64114579. The next prime is 64114613. The reversal of 64114609 is 90641146.

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 19184400 + 44930209 = 4380^2 + 6703^2 .

It is a cyclic number.

It is not a de Polignac number, because 64114609 - 225 = 30560177 is a prime.

It is a super-2 number, since 2×641146092 = 8221366174445762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64114619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465934 + ... + 2465959.

It is an arithmetic number, because the mean of its divisors is an integer number (17261629).

Almost surely, 264114609 is an apocalyptic number.

It is an amenable number.

64114609 is a deficient number, since it is larger than the sum of its proper divisors (4931907).

64114609 is a wasteful number, since it uses less digits than its factorization.

64114609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931906.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 64114609 is about 8007.1598585266. The cubic root of 64114609 is about 400.2386263653.

The spelling of 64114609 in words is "sixty-four million, one hundred fourteen thousand, six hundred nine".

Divisors: 1 13 4931893 64114609