Base | Representation |
---|---|
bin | 11101100010001111101001 |
3 | 112120100122002 |
4 | 131202033221 |
5 | 3440224231 |
6 | 433540345 |
7 | 122544500 |
oct | 35421751 |
9 | 15510562 |
10 | 7742441 |
11 | 4409013 |
12 | 27146b5 |
13 | 17b1135 |
14 | 1057837 |
15 | a2e0cb |
hex | 7623e9 |
7742441 has 6 divisors (see below), whose sum is σ = 9006570. Its totient is φ = 6636336.
The previous prime is 7742437. The next prime is 7742447. The reversal of 7742441 is 1442477.
7742441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 7722841 + 19600 = 2779^2 + 140^2 .
It is not a de Polignac number, because 7742441 - 22 = 7742437 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7742447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78956 + ... + 79053.
It is an arithmetic number, because the mean of its divisors is an integer number (1501095).
Almost surely, 27742441 is an apocalyptic number.
It is an amenable number.
7742441 is a deficient number, since it is larger than the sum of its proper divisors (1264129).
7742441 is a wasteful number, since it uses less digits than its factorization.
7742441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158023 (or 158016 counting only the distinct ones).
The product of its digits is 6272, while the sum is 29.
The square root of 7742441 is about 2782.5242137311. The cubic root of 7742441 is about 197.8302204093.
The spelling of 7742441 in words is "seven million, seven hundred forty-two thousand, four hundred forty-one".
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