Base | Representation |
---|---|
bin | 11110010100111110001111 |
3 | 112221220122201 |
4 | 132110332033 |
5 | 4013401343 |
6 | 442222331 |
7 | 124401331 |
oct | 36247617 |
9 | 15856581 |
10 | 7950223 |
11 | 4540136 |
12 | 27b49a7 |
13 | 1854898 |
14 | 10ad451 |
15 | a7094d |
hex | 794f8f |
7950223 has 2 divisors, whose sum is σ = 7950224. Its totient is φ = 7950222.
The previous prime is 7950209. The next prime is 7950251. The reversal of 7950223 is 3220597.
It is an a-pointer prime, because the next prime (7950251) can be obtained adding 7950223 to its sum of digits (28).
It is a weak prime.
It is an emirp because it is prime and its reverse (3220597) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7950223 - 213 = 7942031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7950191 and 7950200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7950253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3975111 + 3975112.
It is an arithmetic number, because the mean of its divisors is an integer number (3975112).
Almost surely, 27950223 is an apocalyptic number.
7950223 is a deficient number, since it is larger than the sum of its proper divisors (1).
7950223 is an equidigital number, since it uses as much as digits as its factorization.
7950223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3780, while the sum is 28.
The square root of 7950223 is about 2819.6139806718. The cubic root of 7950223 is about 199.5843283506.
The spelling of 7950223 in words is "seven million, nine hundred fifty thousand, two hundred twenty-three".
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