Base | Representation |
---|---|
bin | 10111111011100… |
… | …010001010001100 |
3 | 1000222110102021210 |
4 | 113323202022030 |
5 | 1310234414010 |
6 | 103501054420 |
7 | 12643354365 |
oct | 2773421214 |
9 | 1028412253 |
10 | 401482380 |
11 | 196698722 |
12 | b2557410 |
13 | 65240250 |
14 | 3b46cb6c |
15 | 253a7b20 |
hex | 17ee228c |
401482380 has 96 divisors (see below), whose sum is σ = 1252440000. Its totient is φ = 95413248.
The previous prime is 401482349. The next prime is 401482391. The reversal of 401482380 is 83284104.
It is a super-4 number, since 4×4014823804 (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13746 + ... + 31494.
It is an arithmetic number, because the mean of its divisors is an integer number (13046250).
Almost surely, 2401482380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 401482380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626220000).
401482380 is an abundant number, since it is smaller than the sum of its proper divisors (850957620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401482380 is a wasteful number, since it uses less digits than its factorization.
401482380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17803 (or 17801 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 401482380 is about 20037.0252283117. The cubic root of 401482380 is about 737.7153667677.
The spelling of 401482380 in words is "four hundred one million, four hundred eighty-two thousand, three hundred eighty".
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