Base | Representation |
---|---|
bin | 100011101111100101010 |
3 | 2012111122100 |
4 | 10131330222 |
5 | 244434432 |
6 | 41034230 |
7 | 12645462 |
oct | 4357452 |
9 | 2174570 |
10 | 1171242 |
11 | 72aa76 |
12 | 485976 |
13 | 320157 |
14 | 226ba2 |
15 | 18207c |
hex | 11df2a |
1171242 has 24 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 377640.
The previous prime is 1171241. The next prime is 1171243. The reversal of 1171242 is 2421711.
It is an interprime number because it is at equal distance from previous prime (1171241) and next prime (1171243).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1171241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492 + ... + 1607.
It is an arithmetic number, because the mean of its divisors is an integer number (109200).
21171242 is an apocalyptic number.
1171242 is an abundant number, since it is smaller than the sum of its proper divisors (1449558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1171242 is a wasteful number, since it uses less digits than its factorization.
1171242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2138 (or 2135 counting only the distinct ones).
The product of its digits is 112, while the sum is 18.
The square root of 1171242 is about 1082.2393450619. The cubic root of 1171242 is about 105.4100968859.
Adding to 1171242 its reverse (2421711), we get a palindrome (3592953).
It can be divided in two parts, 1171 and 242, that multiplied together give a palindrome (283382).
The spelling of 1171242 in words is "one million, one hundred seventy-one thousand, two hundred forty-two".
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