Base | Representation |
---|---|
bin | 11110010000001000100001 |
3 | 112220220110120 |
4 | 132100020201 |
5 | 4012233101 |
6 | 441550453 |
7 | 124256463 |
oct | 36201041 |
9 | 15826416 |
10 | 7930401 |
11 | 4527256 |
12 | 27a5429 |
13 | 184885b |
14 | 10a6133 |
15 | a69b36 |
hex | 790221 |
7930401 has 8 divisors (see below), whose sum is σ = 10701600. Its totient is φ = 5223072.
The previous prime is 7930399. The next prime is 7930409. The reversal of 7930401 is 1040397.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7930401 - 21 = 7930399 is a prime.
7930401 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (7930409) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15676 + ... + 16173.
It is an arithmetic number, because the mean of its divisors is an integer number (1337700).
Almost surely, 27930401 is an apocalyptic number.
It is an amenable number.
7930401 is a deficient number, since it is larger than the sum of its proper divisors (2771199).
7930401 is a wasteful number, since it uses less digits than its factorization.
7930401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31935.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 7930401 is about 2816.0967668033. The cubic root of 7930401 is about 199.4183182049.
Adding to 7930401 its reverse (1040397), we get a palindrome (8970798).
The spelling of 7930401 in words is "seven million, nine hundred thirty thousand, four hundred one".
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