Base | Representation |
---|---|
bin | 1001111100010… |
… | …00000111100111 |
3 | 12210220220111110 |
4 | 10332020013213 |
5 | 132322120142 |
6 | 12135240103 |
7 | 2031563151 |
oct | 476100747 |
9 | 183826443 |
10 | 83395047 |
11 | 4308aa2a |
12 | 23b19033 |
13 | 1437b7a8 |
14 | b10bad1 |
15 | 74c499c |
hex | 4f881e7 |
83395047 has 32 divisors (see below), whose sum is σ = 125452800. Its totient is φ = 48964608.
The previous prime is 83395043. The next prime is 83395093. The reversal of 83395047 is 74059338.
It is not a de Polignac number, because 83395047 - 22 = 83395043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 83394996 and 83395014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83395043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85758 + ... + 86724.
It is an arithmetic number, because the mean of its divisors is an integer number (3920400).
Almost surely, 283395047 is an apocalyptic number.
83395047 is a deficient number, since it is larger than the sum of its proper divisors (42057753).
83395047 is a wasteful number, since it uses less digits than its factorization.
83395047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1095.
The product of its (nonzero) digits is 90720, while the sum is 39.
The square root of 83395047 is about 9132.0888629054. The cubic root of 83395047 is about 436.8980294695.
The spelling of 83395047 in words is "eighty-three million, three hundred ninety-five thousand, forty-seven".
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