Base | Representation |
---|---|
bin | 1001111010000… |
… | …10000011001000 |
3 | 12210101022210120 |
4 | 10331002003020 |
5 | 132233424130 |
6 | 12125143240 |
7 | 2026256331 |
oct | 475020310 |
9 | 183338716 |
10 | 83108040 |
11 | 42a04334 |
12 | 239bab20 |
13 | 142aac72 |
14 | b075288 |
15 | 7469910 |
hex | 4f420c8 |
83108040 has 32 divisors (see below), whose sum is σ = 249324480. Its totient is φ = 22162112.
The previous prime is 83108027. The next prime is 83108041. The reversal of 83108040 is 4080138.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 83108040.
It is not an unprimeable number, because it can be changed into a prime (83108041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346164 + ... + 346403.
It is an arithmetic number, because the mean of its divisors is an integer number (7791390).
Almost surely, 283108040 is an apocalyptic number.
It is an amenable number.
83108040 is an abundant number, since it is smaller than the sum of its proper divisors (166216440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83108040 is a wasteful number, since it uses less digits than its factorization.
83108040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 692581 (or 692577 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 83108040 is about 9116.3611161472. The cubic root of 83108040 is about 436.3962534015.
Adding to 83108040 its reverse (4080138), we get a palindrome (87188178).
The spelling of 83108040 in words is "eighty-three million, one hundred eight thousand, forty".
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