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8453825 = 52338153
BaseRepresentation
bin100000001111…
…111011000001
3120220111110122
4200033323001
54131010300
6501110025
7131566502
oct40177301
916814418
108453825
114854536
1229b8315
13199cb83
1411a0ba9
15b1ec85
hex80fec1

8453825 has 6 divisors (see below), whose sum is σ = 10482774. Its totient is φ = 6763040.

The previous prime is 8453821. The next prime is 8453849. The reversal of 8453825 is 5283548.

It can be written as a sum of positive squares in 3 ways, for example, as 153664 + 8300161 = 392^2 + 2881^2 .

It is not a de Polignac number, because 8453825 - 22 = 8453821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8453821) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 169052 + ... + 169101.

It is an arithmetic number, because the mean of its divisors is an integer number (1747129).

Almost surely, 28453825 is an apocalyptic number.

It is an amenable number.

8453825 is a deficient number, since it is larger than the sum of its proper divisors (2028949).

8453825 is a wasteful number, since it uses less digits than its factorization.

8453825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338163 (or 338158 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 8453825 is about 2907.5462163137. The cubic root of 8453825 is about 203.7125340423.

The spelling of 8453825 in words is "eight million, four hundred fifty-three thousand, eight hundred twenty-five".

Divisors: 1 5 25 338153 1690765 8453825