Base | Representation |
---|---|
bin | 100100100010010101111 |
3 | 2020211021220 |
4 | 10210102233 |
5 | 301302411 |
6 | 41354423 |
7 | 13114320 |
oct | 4442257 |
9 | 2224256 |
10 | 1197231 |
11 | 748552 |
12 | 498a13 |
13 | 32bc29 |
14 | 232447 |
15 | 189b06 |
hex | 1244af |
1197231 has 16 divisors (see below), whose sum is σ = 1864704. Its totient is φ = 669024.
The previous prime is 1197221. The next prime is 1197239. The reversal of 1197231 is 1327911.
It is not a de Polignac number, because 1197231 - 25 = 1197199 is a prime.
It is a super-2 number, since 2×11972312 = 2866724134722, which contains 22 as substring.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1197239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381 + ... + 1593.
It is an arithmetic number, because the mean of its divisors is an integer number (116544).
21197231 is an apocalyptic number.
1197231 is a deficient number, since it is larger than the sum of its proper divisors (667473).
1197231 is a wasteful number, since it uses less digits than its factorization.
1197231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1270.
The product of its digits is 378, while the sum is 24.
The square root of 1197231 is about 1094.1805152716. The cubic root of 1197231 is about 106.1840578139.
The spelling of 1197231 in words is "one million, one hundred ninety-seven thousand, two hundred thirty-one".
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