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82944853 = 174879109
BaseRepresentation
bin1001111000110…
…10001101010101
312210002000221121
410330122031111
5132213213403
612121443541
72025006505
oct474321525
9183060847
1082944853
1142902772
12239405b1
13142518c4
14b031a05
1574363bd
hex4f1a355

82944853 has 4 divisors (see below), whose sum is σ = 87823980. Its totient is φ = 78065728.

The previous prime is 82944839. The next prime is 82944859. The reversal of 82944853 is 35844928.

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 54140164 + 28804689 = 7358^2 + 5367^2 .

It is a cyclic number.

It is not a de Polignac number, because 82944853 - 29 = 82944341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82944859) 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, 2439538 + ... + 2439571.

It is an arithmetic number, because the mean of its divisors is an integer number (21955995).

Almost surely, 282944853 is an apocalyptic number.

It is an amenable number.

82944853 is a deficient number, since it is larger than the sum of its proper divisors (4879127).

82944853 is a wasteful number, since it uses less digits than its factorization.

82944853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879126.

The product of its digits is 276480, while the sum is 43.

The square root of 82944853 is about 9107.4064914222. The cubic root of 82944853 is about 436.1104372629.

The spelling of 82944853 in words is "eighty-two million, nine hundred forty-four thousand, eight hundred fifty-three".

Divisors: 1 17 4879109 82944853