Base | Representation |
---|---|
bin | 101010010101001… |
… | …1100001000011101 |
3 | 10122222202101011102 |
4 | 1110222130020131 |
5 | 10402111131141 |
6 | 352540202445 |
7 | 50125204112 |
oct | 12452341035 |
9 | 3588671142 |
10 | 1420411421 |
11 | 669870140 |
12 | 337839425 |
13 | 198377240 |
14 | d6906909 |
15 | 84a7799b |
hex | 54a9c21d |
1420411421 has 32 divisors (see below), whose sum is σ = 1810118016. Its totient is φ = 1094400000.
The previous prime is 1420411417. The next prime is 1420411451. The reversal of 1420411421 is 1241140241.
It is a cyclic number.
It is not a de Polignac number, because 1420411421 - 22 = 1420411417 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1420411393 and 1420411402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420411451) 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, 92546 + ... + 106796.
It is an arithmetic number, because the mean of its divisors is an integer number (56566188).
Almost surely, 21420411421 is an apocalyptic number.
1420411421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1420411421 is a deficient number, since it is larger than the sum of its proper divisors (389706595).
1420411421 is a wasteful number, since it uses less digits than its factorization.
1420411421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14333.
The product of its (nonzero) digits is 256, while the sum is 20.
The square root of 1420411421 is about 37688.3459573381. The cubic root of 1420411421 is about 1124.0994065842.
Adding to 1420411421 its reverse (1241140241), we get a palindrome (2661551662).
The spelling of 1420411421 in words is "one billion, four hundred twenty million, four hundred eleven thousand, four hundred twenty-one".
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