Base | Representation |
---|---|
bin | 101001110110010… |
… | …1001000101001010 |
3 | 10121212021100002110 |
4 | 1103230221011022 |
5 | 10333434232110 |
6 | 351201043150 |
7 | 46540413111 |
oct | 12354510512 |
9 | 3555240073 |
10 | 1404211530 |
11 | 6607059a7 |
12 | 3323264b6 |
13 | 194bc46c7 |
14 | d46cac78 |
15 | 83427a20 |
hex | 53b2914a |
1404211530 has 32 divisors (see below), whose sum is σ = 3547483200. Its totient is φ = 354748032.
The previous prime is 1404211489. The next prime is 1404211537. The reversal of 1404211530 is 351124041.
It is a junction number, because it is equal to n+sod(n) for n = 1404211497 and 1404211506.
It is not an unprimeable number, because it can be changed into a prime (1404211537) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231195 + ... + 1232334.
It is an arithmetic number, because the mean of its divisors is an integer number (110858850).
Almost surely, 21404211530 is an apocalyptic number.
1404211530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1404211530 is an abundant number, since it is smaller than the sum of its proper divisors (2143271670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1404211530 is a wasteful number, since it uses less digits than its factorization.
1404211530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2463558.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 1404211530 is about 37472.8105431125. The cubic root of 1404211530 is about 1119.8095791276.
Adding to 1404211530 its reverse (351124041), we get a palindrome (1755335571).
The spelling of 1404211530 in words is "one billion, four hundred four million, two hundred eleven thousand, five hundred thirty".
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