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8162825 = 521129683
BaseRepresentation
bin11111001000111000001001
3120100201021212
4133020320021
54042202300
6450542505
7126245216
oct37107011
916321255
108162825
114675940
122897a35
1318ca598
141126b0d
15ab3935
hex7c8e09

8162825 has 12 divisors (see below), whose sum is σ = 11042448. Its totient is φ = 5936400.

The previous prime is 8162809. The next prime is 8162831. The reversal of 8162825 is 5282618.

8162825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8162825 - 24 = 8162809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8162791 and 8162800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14567 + ... + 15116.

It is an arithmetic number, because the mean of its divisors is an integer number (920204).

Almost surely, 28162825 is an apocalyptic number.

It is an amenable number.

8162825 is a deficient number, since it is larger than the sum of its proper divisors (2879623).

8162825 is a wasteful number, since it uses less digits than its factorization.

8162825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29704 (or 29699 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 8162825 is about 2857.0658025324. The cubic root of 8162825 is about 201.3477721494.

The spelling of 8162825 in words is "eight million, one hundred sixty-two thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 275 29683 148415 326513 742075 1632565 8162825