Base | Representation |
---|---|
bin | 101010010100101… |
… | …0101100101001101 |
3 | 10122222012200202121 |
4 | 1110221111211031 |
5 | 10402022404240 |
6 | 352530052541 |
7 | 50122561450 |
oct | 12451254515 |
9 | 3588180677 |
10 | 1420122445 |
11 | 669693015 |
12 | 33771a151 |
13 | 1982a5851 |
14 | d686d497 |
15 | 84a1c04a |
hex | 54a5594d |
1420122445 has 16 divisors (see below), whose sum is σ = 1948809600. Its totient is φ = 973191744.
The previous prime is 1420122433. The next prime is 1420122461. The reversal of 1420122445 is 5442210241.
It is not a de Polignac number, because 1420122445 - 223 = 1411733837 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48531 + ... + 72079.
It is an arithmetic number, because the mean of its divisors is an integer number (121800600).
Almost surely, 21420122445 is an apocalyptic number.
It is an amenable number.
1420122445 is a deficient number, since it is larger than the sum of its proper divisors (528687155).
1420122445 is a wasteful number, since it uses less digits than its factorization.
1420122445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25284.
The product of its (nonzero) digits is 2560, while the sum is 25.
The square root of 1420122445 is about 37684.5120042704. The cubic root of 1420122445 is about 1124.0231705076.
Adding to 1420122445 its reverse (5442210241), we get a palindrome (6862332686).
The spelling of 1420122445 in words is "one billion, four hundred twenty million, one hundred twenty-two thousand, four hundred forty-five".
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