Base | Representation |
---|---|
bin | 10111111010000… |
… | …101110101010111 |
3 | 1000221202012112200 |
4 | 113322011311113 |
5 | 1310140313330 |
6 | 103445015543 |
7 | 12640221021 |
oct | 2772056527 |
9 | 1027665480 |
10 | 401104215 |
11 | 19645a596 |
12 | b23b45b3 |
13 | 6513a095 |
14 | 3b3b1011 |
15 | 25330a60 |
hex | 17e85d57 |
401104215 has 48 divisors (see below), whose sum is σ = 719086368. Its totient is φ = 206696448.
The previous prime is 401104213. The next prime is 401104237. The reversal of 401104215 is 512401104.
It is not a de Polignac number, because 401104215 - 21 = 401104213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (401104213) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186627 + ... + 188763.
It is an arithmetic number, because the mean of its divisors is an integer number (14980966).
Almost surely, 2401104215 is an apocalyptic number.
401104215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
401104215 is a deficient number, since it is larger than the sum of its proper divisors (317982153).
401104215 is a wasteful number, since it uses less digits than its factorization.
401104215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2288 (or 2285 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 401104215 is about 20027.5863498326. The cubic root of 401104215 is about 737.4836706142.
Adding to 401104215 its reverse (512401104), we get a palindrome (913505319).
The spelling of 401104215 in words is "four hundred one million, one hundred four thousand, two hundred fifteen".
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