Base | Representation |
---|---|
bin | 1001111100110… |
… | …10110001110000 |
3 | 12211001210100000 |
4 | 10332122301300 |
5 | 132332041342 |
6 | 12141030000 |
7 | 2032332030 |
oct | 476326160 |
9 | 184053300 |
10 | 83471472 |
11 | 43132397 |
12 | 23b55300 |
13 | 143a7506 |
14 | b12b8c0 |
15 | 74dc44c |
hex | 4f9ac70 |
83471472 has 120 divisors (see below), whose sum is σ = 276954496. Its totient is φ = 23841216.
The previous prime is 83471447. The next prime is 83471477. The reversal of 83471472 is 27417438.
It is a happy number.
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 a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83471477) 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, 25683 + ... + 28749.
Almost surely, 283471472 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 83471472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138477248).
83471472 is an abundant number, since it is smaller than the sum of its proper divisors (193483024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83471472 is a wasteful number, since it uses less digits than its factorization.
83471472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3097 (or 3079 counting only the distinct ones).
The product of its digits is 37632, while the sum is 36.
The square root of 83471472 is about 9136.2723251882. The cubic root of 83471472 is about 437.0314496127.
The spelling of 83471472 in words is "eighty-three million, four hundred seventy-one thousand, four hundred seventy-two".
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