Base | Representation |
---|---|
bin | 1001111100100… |
… | …11100001111110 |
3 | 12211000021121200 |
4 | 10332103201332 |
5 | 132330114130 |
6 | 12140240330 |
7 | 2032146345 |
oct | 476234176 |
9 | 184007550 |
10 | 83441790 |
11 | 43112063 |
12 | 23b400a6 |
13 | 14396b53 |
14 | b120b5c |
15 | 74d3760 |
hex | 4f9387e |
83441790 has 48 divisors (see below), whose sum is σ = 217681776. Its totient is φ = 22176000.
The previous prime is 83441783. The next prime is 83441791. The reversal of 83441790 is 9714438.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83441791) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28390 + ... + 31190.
It is an arithmetic number, because the mean of its divisors is an integer number (4535037).
Almost surely, 283441790 is an apocalyptic number.
83441790 is an abundant number, since it is smaller than the sum of its proper divisors (134239986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83441790 is a wasteful number, since it uses less digits than its factorization.
83441790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3145 (or 3142 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 83441790 is about 9134.6477764608. The cubic root of 83441790 is about 436.9796414717.
It can be divided in two parts, 834 and 41790, that added together give a palindrome (42624).
The spelling of 83441790 in words is "eighty-three million, four hundred forty-one thousand, seven hundred ninety".
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