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84522841 = 136501757
BaseRepresentation
bin1010000100110…
…11011101011001
312220001012112121
411002123131121
5133114212331
612215341241
72044301164
oct502333531
9186035477
1084522841
1143790297
1224381821
1314684c20
14b322adb
157648c11
hex509b759

84522841 has 4 divisors (see below), whose sum is σ = 91024612. Its totient is φ = 78021072.

The previous prime is 84522829. The next prime is 84522859. The reversal of 84522841 is 14822548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56475225 + 28047616 = 7515^2 + 5296^2 .

It is a cyclic number.

It is not a de Polignac number, because 84522841 - 215 = 84490073 is a prime.

It is a super-2 number, since 2×845228412 = 14288221301422562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84522797 and 84522806.

It is not an unprimeable number, because it can be changed into a prime (84522341) 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, 3250866 + ... + 3250891.

It is an arithmetic number, because the mean of its divisors is an integer number (22756153).

Almost surely, 284522841 is an apocalyptic number.

It is an amenable number.

84522841 is a deficient number, since it is larger than the sum of its proper divisors (6501771).

84522841 is a wasteful number, since it uses less digits than its factorization.

84522841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501770.

The product of its digits is 20480, while the sum is 34.

The square root of 84522841 is about 9193.6304580943. The cubic root of 84522841 is about 438.8586829348.

The spelling of 84522841 in words is "eighty-four million, five hundred twenty-two thousand, eight hundred forty-one".

Divisors: 1 13 6501757 84522841