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64016723 = 431488761
BaseRepresentation
bin1111010000110…
…1000101010011
311110110101102202
43310031011103
5112342013343
610204033415
71405063451
oct364150523
9143411382
1064016723
1133154791
121953286b
1310355324
1487059d1
155947db8
hex3d0d153

64016723 has 4 divisors (see below), whose sum is σ = 65505528. Its totient is φ = 62527920.

The previous prime is 64016707. The next prime is 64016731. The reversal of 64016723 is 32761046.

64016723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64016723 - 24 = 64016707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64016753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 744338 + ... + 744423.

It is an arithmetic number, because the mean of its divisors is an integer number (16376382).

Almost surely, 264016723 is an apocalyptic number.

64016723 is a deficient number, since it is larger than the sum of its proper divisors (1488805).

64016723 is a wasteful number, since it uses less digits than its factorization.

64016723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488804.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 64016723 is about 8001.0451192329. The cubic root of 64016723 is about 400.0348365493.

Adding to 64016723 its reverse (32761046), we get a palindrome (96777769).

The spelling of 64016723 in words is "sixty-four million, sixteen thousand, seven hundred twenty-three".

Divisors: 1 43 1488761 64016723