Base | Representation |
---|---|
bin | 111101110110111… |
… | …0111110001010001 |
3 | 12100122122112202201 |
4 | 1323231313301101 |
5 | 13222324404411 |
6 | 541543443201 |
7 | 102302333332 |
oct | 17355676121 |
9 | 5318575681 |
10 | 2075622481 |
11 | 9756a8989 |
12 | 49b156501 |
13 | 2710340aa |
14 | 159942289 |
15 | c234e3c1 |
hex | 7bb77c51 |
2075622481 has 9 divisors (see below), whose sum is σ = 2151032923. Its totient is φ = 2002773640.
The previous prime is 2075622457. The next prime is 2075622509. The reversal of 2075622481 is 1842265702.
It is a happy number.
The square root of 2075622481 is 45559.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 1088406081 + 987216400 = 32991^2 + 31420^2 .
It is not a de Polignac number, because 2075622481 - 29 = 2075621969 is a prime.
It is a super-2 number, since 2×20756224812 = 8616417367265190722, which contains 22 as substring.
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 2075622481.
It is not an unprimeable number, because it can be changed into a prime (2075622431) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1320426 + ... + 1321996.
Almost surely, 22075622481 is an apocalyptic number.
2075622481 is the 45559-th square number.
2075622481 is the 22780-th centered octagonal number.
It is an amenable number.
2075622481 is a deficient number, since it is larger than the sum of its proper divisors (75410442).
2075622481 is an frugal number, since it uses more digits than its factorization.
2075622481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3200 (or 1600 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 37.
The cubic root of 2075622481 is about 1275.6047329425.
The spelling of 2075622481 in words is "two billion, seventy-five million, six hundred twenty-two thousand, four hundred eighty-one".
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