Base | Representation |
---|---|
bin | 1001111011000… |
… | …00100011011110 |
3 | 12210121200012100 |
4 | 10331200203132 |
5 | 132301423430 |
6 | 12131545530 |
7 | 2030316531 |
oct | 475404336 |
9 | 183550170 |
10 | 83232990 |
11 | 42a8a1a5 |
12 | 23a5b2a6 |
13 | 14322ab9 |
14 | b0a8a18 |
15 | 7491960 |
hex | 4f608de |
83232990 has 24 divisors (see below), whose sum is σ = 216406008. Its totient is φ = 22195440.
The previous prime is 83232983. The next prime is 83232991. The reversal of 83232990 is 9923238.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83232991) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462316 + ... + 462495.
It is an arithmetic number, because the mean of its divisors is an integer number (9016917).
Almost surely, 283232990 is an apocalyptic number.
83232990 is an abundant number, since it is smaller than the sum of its proper divisors (133173018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83232990 is a wasteful number, since it uses less digits than its factorization.
83232990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 924824 (or 924821 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 83232990 is about 9123.2116055696. The cubic root of 83232990 is about 436.6148460024.
The spelling of 83232990 in words is "eighty-three million, two hundred thirty-two thousand, nine hundred ninety".
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