Base | Representation |
---|---|
bin | 101010011000010… |
… | …0100000011111101 |
3 | 10200002202221021121 |
4 | 1110300210003331 |
5 | 10403014014030 |
6 | 353034430541 |
7 | 50144641321 |
oct | 12460440375 |
9 | 3602687247 |
10 | 1422016765 |
11 | 66a767274 |
12 | 338292451 |
13 | 1987b9b50 |
14 | d6c03981 |
15 | 84c9347a |
hex | 54c240fd |
1422016765 has 32 divisors (see below), whose sum is σ = 1982576736. Its totient is φ = 969646080.
The previous prime is 1422016763. The next prime is 1422016781. The reversal of 1422016765 is 5676102241.
It can be written as a sum of positive squares in 16 ways, for example, as 16216729 + 1405800036 = 4027^2 + 37494^2 .
It is not a de Polignac number, because 1422016765 - 21 = 1422016763 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 1422016765.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1422016763) 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, 46425 + ... + 70705.
It is an arithmetic number, because the mean of its divisors is an integer number (61955523).
Almost surely, 21422016765 is an apocalyptic number.
It is an amenable number.
1422016765 is a deficient number, since it is larger than the sum of its proper divisors (560559971).
1422016765 is a wasteful number, since it uses less digits than its factorization.
1422016765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24369.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 1422016765 is about 37709.6375612389. The cubic root of 1422016765 is about 1124.5227315447.
The spelling of 1422016765 in words is "one billion, four hundred twenty-two million, sixteen thousand, seven hundred sixty-five".
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