Base | Representation |
---|---|
bin | 100100101010101010010 |
3 | 2021001010122 |
4 | 10211111102 |
5 | 301421430 |
6 | 41430242 |
7 | 13132613 |
oct | 4452522 |
9 | 2231118 |
10 | 1201490 |
11 | 750774 |
12 | 49b382 |
13 | 330b54 |
14 | 233c0a |
15 | 18aee5 |
hex | 125552 |
1201490 has 16 divisors (see below), whose sum is σ = 2180952. Its totient is φ = 476544.
The previous prime is 1201489. The next prime is 1201493. The reversal of 1201490 is 941021.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1138489 + 63001 = 1067^2 + 251^2 .
It is a super-3 number, since 3×12014903 = 5203334387003847000, which contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1201493) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932 + ... + 1808.
21201490 is an apocalyptic number.
1201490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201490 is a deficient number, since it is larger than the sum of its proper divisors (979462).
1201490 is a wasteful number, since it uses less digits than its factorization.
1201490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021.
The product of its (nonzero) digits is 72, while the sum is 17.
The square root of 1201490 is about 1096.1249928726. The cubic root of 1201490 is about 106.3098209845.
The spelling of 1201490 in words is "one million, two hundred one thousand, four hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •