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72765014 = 2737140473
BaseRepresentation
bin1000101011001…
…00111001010110
312001220211211112
410111210321112
5122111440024
611115335022
71542330620
oct425447126
9161824745
1072765014
113808a483
1220451472
13120c922a
149941c10
1565c500e
hex4564e56

72765014 has 16 divisors (see below), whose sum is σ = 128112288. Its totient is φ = 30341952.

The previous prime is 72764983. The next prime is 72765019. The reversal of 72765014 is 41056727.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72765019) 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 7 ways as a sum of consecutive naturals, for example, 69719 + ... + 70754.

It is an arithmetic number, because the mean of its divisors is an integer number (8007018).

Almost surely, 272765014 is an apocalyptic number.

72765014 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72765014 is a deficient number, since it is larger than the sum of its proper divisors (55347274).

72765014 is a wasteful number, since it uses less digits than its factorization.

72765014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140519.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 72765014 is about 8530.2411454777. The cubic root of 72765014 is about 417.4849964130.

The spelling of 72765014 in words is "seventy-two million, seven hundred sixty-five thousand, fourteen".

Divisors: 1 2 7 14 37 74 259 518 140473 280946 983311 1966622 5197501 10395002 36382507 72765014