Base | Representation |
---|---|
bin | 1001111010111… |
… | …01010000010000 |
3 | 12210120222122200 |
4 | 10331131100100 |
5 | 132301010342 |
6 | 12131403200 |
7 | 2030232240 |
oct | 475352020 |
9 | 183528580 |
10 | 83219472 |
11 | 42a80026 |
12 | 23a53500 |
13 | 143198bb |
14 | b0a3b20 |
15 | 748c94c |
hex | 4f5d410 |
83219472 has 60 divisors (see below), whose sum is σ = 266173440. Its totient is φ = 23776704.
The previous prime is 83219447. The next prime is 83219483. The reversal of 83219472 is 27491238.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40272 + ... + 42287.
It is an arithmetic number, because the mean of its divisors is an integer number (4436224).
Almost surely, 283219472 is an apocalyptic number.
It is an amenable number.
83219472 is an abundant number, since it is smaller than the sum of its proper divisors (182953968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83219472 is a wasteful number, since it uses less digits than its factorization.
83219472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82580 (or 82571 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 83219472 is about 9122.4707179579. The cubic root of 83219472 is about 436.5912076227.
The spelling of 83219472 in words is "eighty-three million, two hundred nineteen thousand, four hundred seventy-two".
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