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72716016 = 2431514917
BaseRepresentation
bin1000101010110…
…00111011110000
312001211100121210
410111120323300
5122103403031
611114320120
71542035022
oct425307360
9161740553
1072716016
113805668a
1220429040
13120acb39
14992c012
1565b5746
hex4558ef0

72716016 has 20 divisors (see below), whose sum is σ = 187849832. Its totient is φ = 24238656.

The previous prime is 72716011. The next prime is 72716029. The reversal of 72716016 is 61061727.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72716011) 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, 757411 + ... + 757506.

Almost surely, 272716016 is an apocalyptic number.

It is an amenable number.

72716016 is an abundant number, since it is smaller than the sum of its proper divisors (115133816).

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

72716016 is a wasteful number, since it uses less digits than its factorization.

72716016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514928 (or 1514922 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 72716016 is about 8527.3686445468. The cubic root of 72716016 is about 417.3912676555.

The spelling of 72716016 in words is "seventy-two million, seven hundred sixteen thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 1514917 3029834 4544751 6059668 9089502 12119336 18179004 24238672 36358008 72716016