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82263769 = 711751967
BaseRepresentation
bin1001110011100…
…11111011011001
312201210102200021
410321303323121
5132024420034
612055110441
72016142030
oct471637331
9181712607
1082263769
1142487a95
1223672421
13140738b3
14acd5717
15734e6b4
hex4e73ed9

82263769 has 4 divisors (see below), whose sum is σ = 94015744. Its totient is φ = 70511796.

The previous prime is 82263767. The next prime is 82263781. The reversal of 82263769 is 96736228.

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 82263769 - 21 = 82263767 is a prime.

It is a super-2 number, since 2×822637692 = 13534655380170722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82263763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5875977 + ... + 5875990.

It is an arithmetic number, because the mean of its divisors is an integer number (23503936).

Almost surely, 282263769 is an apocalyptic number.

It is an amenable number.

82263769 is a deficient number, since it is larger than the sum of its proper divisors (11751975).

82263769 is a wasteful number, since it uses less digits than its factorization.

82263769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11751974.

The product of its digits is 217728, while the sum is 43.

The square root of 82263769 is about 9069.9376513844. The cubic root of 82263769 is about 434.9134790709.

The spelling of 82263769 in words is "eighty-two million, two hundred sixty-three thousand, seven hundred sixty-nine".

Divisors: 1 7 11751967 82263769