Base | Representation |
---|---|
bin | 111100001011100111010 |
3 | 10201012010000 |
4 | 13201130322 |
5 | 1001101101 |
6 | 110133430 |
7 | 22522230 |
oct | 7413472 |
9 | 3635100 |
10 | 1972026 |
11 | 1127681 |
12 | 7b1276 |
13 | 5407a4 |
14 | 394950 |
15 | 28e486 |
hex | 1e173a |
1972026 has 80 divisors (see below), whose sum is σ = 5296896. Its totient is φ = 536544.
The previous prime is 1972013. The next prime is 1972031. The reversal of 1972026 is 6202791.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41935 + ... + 41981.
21972026 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1972026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2648448).
1972026 is an abundant number, since it is smaller than the sum of its proper divisors (3324870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1972026 is a wasteful number, since it uses less digits than its factorization.
1972026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105 (or 96 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 1972026 is about 1404.2884319113. The cubic root of 1972026 is about 125.4019275819.
The spelling of 1972026 in words is "one million, nine hundred seventy-two thousand, twenty-six".
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