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8379825 = 352111731
BaseRepresentation
bin11111111101110110110001
3120202201221220
4133331312301
54121123300
6455335253
7131140656
oct37756661
916681856
108379825
114803983
122981529
13197529c
141181c2d
15b07da0
hex7fddb1

8379825 has 12 divisors (see below), whose sum is σ = 13854768. Its totient is φ = 4469200.

The previous prime is 8379823. The next prime is 8379851. The reversal of 8379825 is 5289738.

It is not a de Polignac number, because 8379825 - 21 = 8379823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8379821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55791 + ... + 55940.

It is an arithmetic number, because the mean of its divisors is an integer number (1154564).

Almost surely, 28379825 is an apocalyptic number.

It is an amenable number.

8379825 is a deficient number, since it is larger than the sum of its proper divisors (5474943).

8379825 is a wasteful number, since it uses less digits than its factorization.

8379825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111744 (or 111739 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 8379825 is about 2894.7927386948. The cubic root of 8379825 is about 203.1163964798.

The spelling of 8379825 in words is "eight million, three hundred seventy-nine thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 111731 335193 558655 1675965 2793275 8379825