Base | Representation |
---|---|
bin | 100110110000110110101 |
3 | 2101112101100 |
4 | 10312012311 |
5 | 311121242 |
6 | 43120313 |
7 | 13540125 |
oct | 4660665 |
9 | 2345340 |
10 | 1270197 |
11 | 798355 |
12 | 513099 |
13 | 3561c6 |
14 | 250c85 |
15 | 1a154c |
hex | 1361b5 |
1270197 has 12 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 838248.
The previous prime is 1270193. The next prime is 1270201. The reversal of 1270197 is 7910721.
It is an interprime number because it is at equal distance from previous prime (1270193) and next prime (1270201).
It is not a de Polignac number, because 1270197 - 22 = 1270193 is a prime.
It is a super-2 number, since 2×12701972 = 3226800837618, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1270197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1270193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304 + ... + 1622.
It is an arithmetic number, because the mean of its divisors is an integer number (154440).
21270197 is an apocalyptic number.
It is an amenable number.
1270197 is a deficient number, since it is larger than the sum of its proper divisors (583083).
1270197 is a wasteful number, since it uses less digits than its factorization.
1270197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1432 (or 1429 counting only the distinct ones).
The product of its (nonzero) digits is 882, while the sum is 27.
The square root of 1270197 is about 1127.0301681854. The cubic root of 1270197 is about 108.2988124066.
The spelling of 1270197 in words is "one million, two hundred seventy thousand, one hundred ninety-seven".
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