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82024945 = 516404989
BaseRepresentation
bin1001110001110…
…01100111110001
312201100022001221
410320321213301
5131444244240
612050025041
72014125532
oct470714761
9181308057
1082024945
1142334612
1223578181
1313cbbc92
14ac72689
157303a4a
hex4e399f1

82024945 has 4 divisors (see below), whose sum is σ = 98429940. Its totient is φ = 65619952.

The previous prime is 82024939. The next prime is 82024961. The reversal of 82024945 is 54942028.

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 9144576 + 72880369 = 3024^2 + 8537^2 .

It is a cyclic number.

It is not a de Polignac number, because 82024945 - 23 = 82024937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82024945.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8202490 + ... + 8202499.

It is an arithmetic number, because the mean of its divisors is an integer number (24607485).

Almost surely, 282024945 is an apocalyptic number.

It is an amenable number.

82024945 is a deficient number, since it is larger than the sum of its proper divisors (16404995).

82024945 is a wasteful number, since it uses less digits than its factorization.

82024945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16404994.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 82024945 is about 9056.7623906118. The cubic root of 82024945 is about 434.4921982123.

The spelling of 82024945 in words is "eighty-two million, twenty-four thousand, nine hundred forty-five".

Divisors: 1 5 16404989 82024945