Base | Representation |
---|---|
bin | 1000101000000110011111 |
3 | 11020220001211 |
4 | 20220012133 |
5 | 1034331112 |
6 | 120245251 |
7 | 25136011 |
oct | 10500637 |
9 | 4226054 |
10 | 2261407 |
11 | 1305035 |
12 | 910827 |
13 | 612415 |
14 | 42c1b1 |
15 | 2ea0a7 |
hex | 22819f |
2261407 has 2 divisors, whose sum is σ = 2261408. Its totient is φ = 2261406.
The previous prime is 2261393. The next prime is 2261447. The reversal of 2261407 is 7041622.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2261407 is a prime.
It is a super-2 number, since 2×22614072 = 10227923239298, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2261447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130703 + 1130704.
It is an arithmetic number, because the mean of its divisors is an integer number (1130704).
22261407 is an apocalyptic number.
2261407 is a deficient number, since it is larger than the sum of its proper divisors (1).
2261407 is an equidigital number, since it uses as much as digits as its factorization.
2261407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 2261407 is about 1503.7975262648. The cubic root of 2261407 is about 131.2581394801.
The spelling of 2261407 in words is "two million, two hundred sixty-one thousand, four hundred seven".
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