Base | Representation |
---|---|
bin | 101010010110000… |
… | …1101011001000011 |
3 | 10200000121221112021 |
4 | 1110230031121003 |
5 | 10402221002311 |
6 | 352554142311 |
7 | 50132145451 |
oct | 12454153103 |
9 | 3600557467 |
10 | 1420875331 |
11 | 66a057737 |
12 | 337a21997 |
13 | 1984aa445 |
14 | d69c79d1 |
15 | 84b1a171 |
hex | 54b0d643 |
1420875331 has 2 divisors, whose sum is σ = 1420875332. Its totient is φ = 1420875330.
The previous prime is 1420875319. The next prime is 1420875343. The reversal of 1420875331 is 1335780241.
It is a balanced prime because it is at equal distance from previous prime (1420875319) and next prime (1420875343).
It is a cyclic number.
It is not a de Polignac number, because 1420875331 - 211 = 1420873283 is a prime.
It is a super-2 number, since 2×14208753312 = 4037773412488719122, which contains 22 as substring.
It is the 37695-th Hogben number.
It is not a weakly prime, because it can be changed into another prime (1420875371) by changing a digit.
It is a nontrivial repunit in base 37694.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710437665 + 710437666.
It is an arithmetic number, because the mean of its divisors is an integer number (710437666).
Almost surely, 21420875331 is an apocalyptic number.
1420875331 is a deficient number, since it is larger than the sum of its proper divisors (1).
1420875331 is an equidigital number, since it uses as much as digits as its factorization.
1420875331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 1420875331 is about 37694.5000099484. The cubic root of 1420875331 is about 1124.2217711766.
The spelling of 1420875331 in words is "one billion, four hundred twenty million, eight hundred seventy-five thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •