Base | Representation |
---|---|
bin | 1101011110111000… |
… | …10011111100100001 |
3 | 200200110022220121111 |
4 | 12233130103330201 |
5 | 104311012324300 |
6 | 3154132023321 |
7 | 344242254214 |
oct | 65734237441 |
9 | 20613286544 |
10 | 7238401825 |
11 | 3084986476 |
12 | 14a0161b41 |
13 | 8b4817505 |
14 | 4c949777b |
15 | 2c570b9ba |
hex | 1af713f21 |
7238401825 has 12 divisors (see below), whose sum is σ = 9122761468. Its totient is φ = 5695790400.
The previous prime is 7238401817. The next prime is 7238401853. The reversal of 7238401825 is 5281048327.
It is a happy number.
7238401825 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 6 ways, for example, as 41254929 + 7197146896 = 6423^2 + 84836^2 .
It is not a de Polignac number, because 7238401825 - 23 = 7238401817 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2371722 + ... + 2374771.
Almost surely, 27238401825 is an apocalyptic number.
It is an amenable number.
7238401825 is a deficient number, since it is larger than the sum of its proper divisors (1884359643).
7238401825 is a wasteful number, since it uses less digits than its factorization.
7238401825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4746564 (or 4746559 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 7238401825 is about 85078.7977406827. The cubic root of 7238401825 is about 1934.4056981008.
The spelling of 7238401825 in words is "seven billion, two hundred thirty-eight million, four hundred one thousand, eight hundred twenty-five".
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