Base | Representation |
---|---|
bin | 11100001110111100100001 |
3 | 111221000121100 |
4 | 130032330201 |
5 | 3343314444 |
6 | 422345013 |
7 | 116623662 |
oct | 34167441 |
9 | 14830540 |
10 | 7401249 |
11 | 41a5739 |
12 | 258b169 |
13 | 16c1a4b |
14 | da9369 |
15 | 9b2e69 |
hex | 70ef21 |
7401249 has 6 divisors (see below), whose sum is σ = 10690706. Its totient is φ = 4934160.
The previous prime is 7401227. The next prime is 7401263. The reversal of 7401249 is 9421047.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 6969600 + 431649 = 2640^2 + 657^2 .
It is not a de Polignac number, because 7401249 - 28 = 7400993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7401049) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411172 + ... + 411189.
Almost surely, 27401249 is an apocalyptic number.
It is an amenable number.
7401249 is a deficient number, since it is larger than the sum of its proper divisors (3289457).
7401249 is a wasteful number, since it uses less digits than its factorization.
7401249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 822367 (or 822364 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 7401249 is about 2720.5236628267. The cubic root of 7401249 is about 194.8804790255.
The spelling of 7401249 in words is "seven million, four hundred one thousand, two hundred forty-nine".
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