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82545943 = 672115839
BaseRepresentation
bin1001110101110…
…00110100010111
312202022202202011
410322320310113
5132112432233
612105125051
72021425504
oct472706427
9182282664
1082545943
114265aa97
1223789787
131414216c
14ad6a4ab
1573a80cd
hex4eb8d17

82545943 has 8 divisors (see below), whose sum is σ = 84189440. Its totient is φ = 80914680.

The previous prime is 82545923. The next prime is 82545973. The reversal of 82545943 is 34954528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82545943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82545896 and 82545905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82545913) 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, 11218 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (10523680).

Almost surely, 282545943 is an apocalyptic number.

82545943 is a deficient number, since it is larger than the sum of its proper divisors (1643497).

82545943 is a wasteful number, since it uses less digits than its factorization.

82545943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117.

The product of its digits is 172800, while the sum is 40.

The square root of 82545943 is about 9085.4797892021. The cubic root of 82545943 is about 435.4101790089.

The spelling of 82545943 in words is "eighty-two million, five hundred forty-five thousand, nine hundred forty-three".

Divisors: 1 67 211 5839 14137 391213 1232029 82545943