Base | Representation |
---|---|
bin | 11010010011100… |
… | …10110000000110 |
3 | 120101020020200100 |
4 | 31021302300012 |
5 | 422442432412 |
6 | 33521424530 |
7 | 5316446430 |
oct | 1511626006 |
9 | 511206610 |
10 | 220670982 |
11 | 103621414 |
12 | 61a9b146 |
13 | 36943c5c |
14 | 21443650 |
15 | 1458dedc |
hex | d272c06 |
220670982 has 96 divisors (see below), whose sum is σ = 587119104. Its totient is φ = 58464000.
The previous prime is 220670981. The next prime is 220671029. The reversal of 220670982 is 289076022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220670981) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151357 + ... + 152807.
It is an arithmetic number, because the mean of its divisors is an integer number (6115824).
Almost surely, 2220670982 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220670982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293559552).
220670982 is an abundant number, since it is smaller than the sum of its proper divisors (366448122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220670982 is a wasteful number, since it uses less digits than its factorization.
220670982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1554 (or 1551 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 220670982 is about 14854.9985526758. The cubic root of 220670982 is about 604.2941767577.
The spelling of 220670982 in words is "two hundred twenty million, six hundred seventy thousand, nine hundred eighty-two".
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