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72682843 = 1134991289
BaseRepresentation
bin1000101010100…
…00110101011011
312001202200010011
410111100311123
5122101322333
611113502351
71541536222
oct425206533
9161680104
1072682843
1138033772
12204119b7
131209a9cc
14991dcb9
1565aa9cd
hex4550d5b

72682843 has 8 divisors (see below), whose sum is σ = 73530000. Its totient is φ = 71839488.

The previous prime is 72682807. The next prime is 72682849. The reversal of 72682843 is 34828627.

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 72682843 - 29 = 72682331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72682796 and 72682805.

It is not an unprimeable number, because it can be changed into a prime (72682849) 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, 55743 + ... + 57031.

It is an arithmetic number, because the mean of its divisors is an integer number (9191250).

Almost surely, 272682843 is an apocalyptic number.

72682843 is a deficient number, since it is larger than the sum of its proper divisors (847157).

72682843 is a wasteful number, since it uses less digits than its factorization.

72682843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901.

The product of its digits is 129024, while the sum is 40.

The square root of 72682843 is about 8525.4233325976. The cubic root of 72682843 is about 417.3277867914.

The spelling of 72682843 in words is "seventy-two million, six hundred eighty-two thousand, eight hundred forty-three".

Divisors: 1 113 499 1289 56387 145657 643211 72682843