Base | Representation |
---|---|
bin | 100110011111101101110 |
3 | 2101002100100 |
4 | 10303331232 |
5 | 310331142 |
6 | 43011530 |
7 | 13502421 |
oct | 4637556 |
9 | 2332310 |
10 | 1261422 |
11 | 7917a8 |
12 | 509ba6 |
13 | 352206 |
14 | 24b9b8 |
15 | 19db4c |
hex | 133f6e |
1261422 has 12 divisors (see below), whose sum is σ = 2733120. Its totient is φ = 420468.
The previous prime is 1261411. The next prime is 1261427. The reversal of 1261422 is 2241621.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 70079 = 1261422 / (1 + 2 + 6 + 1 + 4 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 1261395 and 1261404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1261427) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35022 + ... + 35057.
It is an arithmetic number, because the mean of its divisors is an integer number (227760).
21261422 is an apocalyptic number.
1261422 is an abundant number, since it is smaller than the sum of its proper divisors (1471698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1261422 is a wasteful number, since it uses less digits than its factorization.
1261422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70087 (or 70084 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 1261422 is about 1123.1304465644. The cubic root of 1261422 is about 108.0488462173.
The spelling of 1261422 in words is "one million, two hundred sixty-one thousand, four hundred twenty-two".
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