Base | Representation |
---|---|
bin | 11000000101010… |
… | …000011000011001 |
3 | 1001011020220100011 |
4 | 120011100120121 |
5 | 1311412443001 |
6 | 104031441521 |
7 | 13004130643 |
oct | 3005203031 |
9 | 1034226304 |
10 | 404031001 |
11 | 198079520 |
12 | b33862a1 |
13 | 659232ca |
14 | 3b933893 |
15 | 2570cd51 |
hex | 18150619 |
404031001 has 8 divisors (see below), whose sum is σ = 441784224. Its totient is φ = 366448320.
The previous prime is 404030917. The next prime is 404031011. The reversal of 404031001 is 100130404.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 404031001 - 27 = 404030873 is a prime.
It is a super-3 number, since 3×4040310013 (a number of 27 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (404031011) 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, 37651 + ... + 47176.
It is an arithmetic number, because the mean of its divisors is an integer number (55223028).
Almost surely, 2404031001 is an apocalyptic number.
It is an amenable number.
404031001 is a deficient number, since it is larger than the sum of its proper divisors (37753223).
404031001 is a wasteful number, since it uses less digits than its factorization.
404031001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85271.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 404031001 is about 20100.5224061466. The cubic root of 404031001 is about 739.2730876141.
Adding to 404031001 its reverse (100130404), we get a palindrome (504161405).
The spelling of 404031001 in words is "four hundred four million, thirty-one thousand, one".
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