Base | Representation |
---|---|
bin | 10010010001011111000001 |
3 | 100000100221011 |
4 | 102101133001 |
5 | 2211241314 |
6 | 250400521 |
7 | 55500424 |
oct | 22213701 |
9 | 10010834 |
10 | 4790209 |
11 | 2781a56 |
12 | 1730141 |
13 | cb9458 |
14 | 8c99bb |
15 | 6494c4 |
hex | 4917c1 |
4790209 has 4 divisors (see below), whose sum is σ = 5072004. Its totient is φ = 4508416.
The previous prime is 4790167. The next prime is 4790237. The reversal of 4790209 is 9020974.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9020974 = 2 ⋅4510487.
It can be written as a sum of positive squares in 2 ways, for example, as 4293184 + 497025 = 2072^2 + 705^2 .
It is a cyclic number.
It is not a de Polignac number, because 4790209 - 221 = 2693057 is a prime.
It is a super-2 number, since 2×47902092 = 45892204527362, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4790239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140872 + ... + 140905.
It is an arithmetic number, because the mean of its divisors is an integer number (1268001).
Almost surely, 24790209 is an apocalyptic number.
It is an amenable number.
4790209 is a deficient number, since it is larger than the sum of its proper divisors (281795).
4790209 is a wasteful number, since it uses less digits than its factorization.
4790209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281794.
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 4790209 is about 2188.6546095718. The cubic root of 4790209 is about 168.5717598590.
The spelling of 4790209 in words is "four million, seven hundred ninety thousand, two hundred nine".
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