Base | Representation |
---|---|
bin | 101010010100101… |
… | …1010001101110111 |
3 | 10122222020122210210 |
4 | 1110221122031313 |
5 | 10402024011211 |
6 | 352530320503 |
7 | 50123001012 |
oct | 12451321567 |
9 | 3588218723 |
10 | 1420141431 |
11 | 6696a6305 |
12 | 337729133 |
13 | 1982b1397 |
14 | d6876379 |
15 | 84a229a6 |
hex | 54a5a377 |
1420141431 has 8 divisors (see below), whose sum is σ = 1894643200. Its totient is φ = 946200312.
The previous prime is 1420141379. The next prime is 1420141441. The reversal of 1420141431 is 1341410241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1420141431 - 215 = 1420108663 is a prime.
It is a super-2 number, since 2×14201414312 = 4033603368085455522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1420141398 and 1420141407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420141441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134215 + ... + 144408.
It is an arithmetic number, because the mean of its divisors is an integer number (236830400).
Almost surely, 21420141431 is an apocalyptic number.
1420141431 is a deficient number, since it is larger than the sum of its proper divisors (474501769).
1420141431 is a wasteful number, since it uses less digits than its factorization.
1420141431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280325.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 1420141431 is about 37684.7639106310. The cubic root of 1420141431 is about 1124.0281796083.
Adding to 1420141431 its reverse (1341410241), we get a palindrome (2761551672).
The spelling of 1420141431 in words is "one billion, four hundred twenty million, one hundred forty-one thousand, four hundred thirty-one".
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