Base | Representation |
---|---|
bin | 101010010100100… |
… | …0110111011111101 |
3 | 10122222002122110222 |
4 | 1110221012323331 |
5 | 10402013444321 |
6 | 352524511125 |
7 | 50122221536 |
oct | 12451067375 |
9 | 3588078428 |
10 | 1420062461 |
11 | 669651a44 |
12 | 3376ab4a5 |
13 | 19828445c |
14 | d685568d |
15 | 84a093ab |
hex | 54a46efd |
1420062461 has 4 divisors (see below), whose sum is σ = 1420940124. Its totient is φ = 1419184800.
The previous prime is 1420062433. The next prime is 1420062491. The reversal of 1420062461 is 1642600241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1642600241 = 557 ⋅2949013.
It can be written as a sum of positive squares in 2 ways, for example, as 477204025 + 942858436 = 21845^2 + 30706^2 .
It is a cyclic number.
It is not a de Polignac number, because 1420062461 - 214 = 1420046077 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1420062461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420062421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436400 + ... + 439641.
It is an arithmetic number, because the mean of its divisors is an integer number (355235031).
Almost surely, 21420062461 is an apocalyptic number.
It is an amenable number.
1420062461 is a deficient number, since it is larger than the sum of its proper divisors (877663).
1420062461 is an equidigital number, since it uses as much as digits as its factorization.
1420062461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 877662.
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 1420062461 is about 37683.7161251382. The cubic root of 1420062461 is about 1124.0073445588.
The spelling of 1420062461 in words is "one billion, four hundred twenty million, sixty-two thousand, four hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •