Base | Representation |
---|---|
bin | 100110110110110001110 |
3 | 2101200112200 |
4 | 10312312032 |
5 | 311220410 |
6 | 43142330 |
7 | 13552020 |
oct | 4666616 |
9 | 2350480 |
10 | 1273230 |
11 | 79a662 |
12 | 5149a6 |
13 | 3576ba |
14 | 252010 |
15 | 1a23c0 |
hex | 136d8e |
1273230 has 96 divisors (see below), whose sum is σ = 3953664. Its totient is φ = 278208.
The previous prime is 1273213. The next prime is 1273231. The reversal of 1273230 is 323721.
It is a super-2 number, since 2×12732302 = 3242229265800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1273231) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27067 + ... + 27113.
It is an arithmetic number, because the mean of its divisors is an integer number (41184).
21273230 is an apocalyptic number.
1273230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1273230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976832).
1273230 is an abundant number, since it is smaller than the sum of its proper divisors (2680434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1273230 is a wasteful number, since it uses less digits than its factorization.
1273230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110 (or 107 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 18.
The square root of 1273230 is about 1128.3749376869. The cubic root of 1273230 is about 108.3849431936.
Adding to 1273230 its reverse (323721), we get a palindrome (1596951).
The spelling of 1273230 in words is "one million, two hundred seventy-three thousand, two hundred thirty".
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