Base | Representation |
---|---|
bin | 1001111100001… |
… | …10000111011010 |
3 | 12210220111020120 |
4 | 10332012013122 |
5 | 132321334332 |
6 | 12135134110 |
7 | 2031530220 |
oct | 476060732 |
9 | 183814216 |
10 | 83386842 |
11 | 43084850 |
12 | 23b14336 |
13 | 14377b36 |
14 | b108b10 |
15 | 74c232c |
hex | 4f861da |
83386842 has 32 divisors (see below), whose sum is σ = 207926784. Its totient is φ = 21658800.
The previous prime is 83386783. The next prime is 83386879. The reversal of 83386842 is 24868338.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 83386794 and 83386803.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89784 + ... + 90707.
It is an arithmetic number, because the mean of its divisors is an integer number (6497712).
Almost surely, 283386842 is an apocalyptic number.
83386842 is an abundant number, since it is smaller than the sum of its proper divisors (124539942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83386842 is a wasteful number, since it uses less digits than its factorization.
83386842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180514.
The product of its digits is 221184, while the sum is 42.
The square root of 83386842 is about 9131.6396118112. The cubic root of 83386842 is about 436.8837006173.
The spelling of 83386842 in words is "eighty-three million, three hundred eighty-six thousand, eight hundred forty-two".
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