Base | Representation |
---|---|
bin | 11110100110001111101100 |
3 | 120002111201001 |
4 | 132212033230 |
5 | 4023132342 |
6 | 443530044 |
7 | 125114521 |
oct | 36461754 |
9 | 16074631 |
10 | 8020972 |
11 | 4589303 |
12 | 2829924 |
13 | 187ab4b |
14 | 10cb148 |
15 | a868b7 |
hex | 7a63ec |
8020972 has 18 divisors (see below), whose sum is σ = 14329028. Its totient is φ = 3927792.
The previous prime is 8020963. The next prime is 8020981. The reversal of 8020972 is 2790208.
It is an interprime number because it is at equal distance from previous prime (8020963) and next prime (8020981).
It is a self number, because there is not a number n which added to its sum of digits gives 8020972.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46278 + ... + 46450.
Almost surely, 28020972 is an apocalyptic number.
It is an amenable number.
8020972 is a deficient number, since it is larger than the sum of its proper divisors (6308056).
8020972 is a wasteful number, since it uses less digits than its factorization.
8020972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417 (or 242 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 8020972 is about 2832.1320590679. The cubic root of 8020972 is about 200.1746141718.
The spelling of 8020972 in words is "eight million, twenty thousand, nine hundred seventy-two".
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