Base | Representation |
---|---|
bin | 11000000101101… |
… | …100111100111110 |
3 | 1001011110211212120 |
4 | 120011230330332 |
5 | 1311430214110 |
6 | 104034143410 |
7 | 13005126066 |
oct | 3005547476 |
9 | 1034424776 |
10 | 404148030 |
11 | 198149440 |
12 | b3421b66 |
13 | 65964660 |
14 | 3b9643a6 |
15 | 25732870 |
hex | 1816cf3e |
404148030 has 64 divisors (see below), whose sum is σ = 1139539968. Its totient is φ = 90437760.
The previous prime is 404148011. The next prime is 404148037. The reversal of 404148030 is 30841404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (404148037) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42814 + ... + 51393.
It is an arithmetic number, because the mean of its divisors is an integer number (17805312).
Almost surely, 2404148030 is an apocalyptic number.
404148030 is an abundant number, since it is smaller than the sum of its proper divisors (735391938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
404148030 is a wasteful number, since it uses less digits than its factorization.
404148030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94241.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 404148030 is about 20103.4332888688. The cubic root of 404148030 is about 739.3444584067.
Adding to 404148030 its reverse (30841404), we get a palindrome (434989434).
The spelling of 404148030 in words is "four hundred four million, one hundred forty-eight thousand, thirty".
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