Base | Representation |
---|---|
bin | 11110011001110011101010 |
3 | 112222220211011 |
4 | 132121303222 |
5 | 4020020101 |
6 | 442454134 |
7 | 124513141 |
oct | 36316352 |
9 | 15886734 |
10 | 7970026 |
11 | 4553aa9 |
12 | 280434a |
13 | 18608bc |
14 | 10b6758 |
15 | a76751 |
hex | 799cea |
7970026 has 4 divisors (see below), whose sum is σ = 11955042. Its totient is φ = 3985012.
The previous prime is 7970023. The next prime is 7970033. The reversal of 7970026 is 6200797.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6200797 = 431 ⋅14387.
It can be written as a sum of positive squares in only one way, i.e., 5764801 + 2205225 = 2401^2 + 1485^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 7970026.
It is not an unprimeable number, because it can be changed into a prime (7970021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992505 + ... + 1992508.
Almost surely, 27970026 is an apocalyptic number.
7970026 is the 1786-th centered pentagonal number.
7970026 is a deficient number, since it is larger than the sum of its proper divisors (3985016).
7970026 is a wasteful number, since it uses less digits than its factorization.
7970026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3985015.
The product of its (nonzero) digits is 5292, while the sum is 31.
The square root of 7970026 is about 2823.1234475311. The cubic root of 7970026 is about 199.7499040571.
The spelling of 7970026 in words is "seven million, nine hundred seventy thousand, twenty-six".
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