Base | Representation |
---|---|
bin | 11110101011011111110101 |
3 | 120010121012211 |
4 | 132223133311 |
5 | 4024324420 |
6 | 444213421 |
7 | 125234323 |
oct | 36533765 |
9 | 16117184 |
10 | 8042485 |
11 | 45a3490 |
12 | 283a271 |
13 | 1887889 |
14 | 10d4d13 |
15 | a8ce5a |
hex | 7ab7f5 |
8042485 has 32 divisors (see below), whose sum is σ = 11197440. Its totient is φ = 5491200.
The previous prime is 8042477. The next prime is 8042509. The reversal of 8042485 is 5842408.
It is not a de Polignac number, because 8042485 - 23 = 8042477 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 90321 + ... + 90409.
It is an arithmetic number, because the mean of its divisors is an integer number (349920).
Almost surely, 28042485 is an apocalyptic number.
It is an amenable number.
8042485 is a deficient number, since it is larger than the sum of its proper divisors (3154955).
8042485 is a wasteful number, since it uses less digits than its factorization.
8042485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189.
The product of its (nonzero) digits is 10240, while the sum is 31.
The square root of 8042485 is about 2835.9275378613. The cubic root of 8042485 is about 200.3534167817.
The spelling of 8042485 in words is "eight million, forty-two thousand, four hundred eighty-five".
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