Base | Representation |
---|---|
bin | 1001111010000… |
… | …10111000000000 |
3 | 12210101111102220 |
4 | 10331002320000 |
5 | 132234031144 |
6 | 12125211040 |
7 | 2026302234 |
oct | 475027000 |
9 | 183344386 |
10 | 83111424 |
11 | 42a06930 |
12 | 23a00a80 |
13 | 142ac676 |
14 | b0765c4 |
15 | 746a919 |
hex | 4f42e00 |
83111424 has 80 divisors (see below), whose sum is σ = 241591680. Its totient is φ = 25180160.
The previous prime is 83111401. The next prime is 83111437. The reversal of 83111424 is 42411138.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 83111394 and 83111403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14437 + ... + 19355.
It is an arithmetic number, because the mean of its divisors is an integer number (3019896).
Almost surely, 283111424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83111424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120795840).
83111424 is an abundant number, since it is smaller than the sum of its proper divisors (158480256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83111424 is a wasteful number, since it uses less digits than its factorization.
83111424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4951 (or 4935 counting only the distinct ones).
The product of its digits is 768, while the sum is 24.
The square root of 83111424 is about 9116.5467146283. The cubic root of 83111424 is about 436.4021763940.
It can be divided in two parts, 831114 and 24, that added together give a palindrome (831138).
The spelling of 83111424 in words is "eighty-three million, one hundred eleven thousand, four hundred twenty-four".
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