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82863169 = 163508363
BaseRepresentation
bin1001111000001…
…10010001000001
312202220212220021
410330012101001
5132203110134
612120013441
72024216404
oct474062101
9182825807
1082863169
1142857364
1223901281
131422367c
14b00dd3b
15741c0b4
hex4f06441

82863169 has 4 divisors (see below), whose sum is σ = 83371696. Its totient is φ = 82354644.

The previous prime is 82863167. The next prime is 82863203. The reversal of 82863169 is 96136828.

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 82863169 - 21 = 82863167 is a prime.

It is a super-2 number, since 2×828631692 = 13732609553445122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82863163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254019 + ... + 254344.

It is an arithmetic number, because the mean of its divisors is an integer number (20842924).

Almost surely, 282863169 is an apocalyptic number.

It is an amenable number.

82863169 is a deficient number, since it is larger than the sum of its proper divisors (508527).

82863169 is a wasteful number, since it uses less digits than its factorization.

82863169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508526.

The product of its digits is 124416, while the sum is 43.

The square root of 82863169 is about 9102.9209048525. The cubic root of 82863169 is about 435.9672298828.

The spelling of 82863169 in words is "eighty-two million, eight hundred sixty-three thousand, one hundred sixty-nine".

Divisors: 1 163 508363 82863169