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82365769 = 431915483
BaseRepresentation
bin1001110100011…
…00110101001001
312201222121121001
410322030311021
5132041201034
612101215001
72020045303
oct472146511
9181877531
1082365769
1142547692
1223701461
13140ab155
14ad20973
15736ea14
hex4e8cd49

82365769 has 4 divisors (see below), whose sum is σ = 84281296. Its totient is φ = 80450244.

The previous prime is 82365757. The next prime is 82365839. The reversal of 82365769 is 96756328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82365769 - 27 = 82365641 is a prime.

It is a super-2 number, since 2×823657692 = 13568239805922722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82365739) 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, 957699 + ... + 957784.

It is an arithmetic number, because the mean of its divisors is an integer number (21070324).

Almost surely, 282365769 is an apocalyptic number.

It is an amenable number.

82365769 is a deficient number, since it is larger than the sum of its proper divisors (1915527).

82365769 is a wasteful number, since it uses less digits than its factorization.

82365769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915526.

The product of its digits is 544320, while the sum is 46.

The square root of 82365769 is about 9075.5588808624. The cubic root of 82365769 is about 435.0931566023.

The spelling of 82365769 in words is "eighty-two million, three hundred sixty-five thousand, seven hundred sixty-nine".

Divisors: 1 43 1915483 82365769