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72682529 = 1012393011
BaseRepresentation
bin1000101010100…
…00110000100001
312001202122200112
410111100300201
5122101320104
611113501105
71541535263
oct425206041
9161678615
1072682529
1138033507
1220411795
131209a81a
14991db33
1565aa86e
hex4550c21

72682529 has 8 divisors (see below), whose sum is σ = 73733760. Its totient is φ = 71638000.

The previous prime is 72682517. The next prime is 72682573. The reversal of 72682529 is 92528627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72682529 - 224 = 55905313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72682579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22634 + ... + 25644.

It is an arithmetic number, because the mean of its divisors is an integer number (9216720).

Almost surely, 272682529 is an apocalyptic number.

It is an amenable number.

72682529 is a deficient number, since it is larger than the sum of its proper divisors (1051231).

72682529 is a wasteful number, since it uses less digits than its factorization.

72682529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351.

The product of its digits is 120960, while the sum is 41.

The square root of 72682529 is about 8525.4049170699. The cubic root of 72682529 is about 417.3271858192.

The spelling of 72682529 in words is "seventy-two million, six hundred eighty-two thousand, five hundred twenty-nine".

Divisors: 1 101 239 3011 24139 304111 719629 72682529