Base | Representation |
---|---|
bin | 1101101010011… |
… | …0000110101101 |
3 | 10222211022120201 |
4 | 3122212012231 |
5 | 104132202334 |
6 | 5404113501 |
7 | 1264033336 |
oct | 332460655 |
9 | 128738521 |
10 | 57303469 |
11 | 2a389a43 |
12 | 17235891 |
13 | bb447a2 |
14 | 787928d |
15 | 506dc14 |
hex | 36a61ad |
57303469 has 6 divisors (see below), whose sum is σ = 59212590. Its totient is φ = 55454040.
The previous prime is 57303457. The next prime is 57303473. The reversal of 57303469 is 96430375.
It can be written as a sum of positive squares in only one way, i.e., 49519369 + 7784100 = 7037^2 + 2790^2 .
It is not a de Polignac number, because 57303469 - 29 = 57302957 is a prime.
It is a super-2 number, since 2×573034692 = 6567375118867922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57303409) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28854 + ... + 30775.
It is an arithmetic number, because the mean of its divisors is an integer number (9868765).
Almost surely, 257303469 is an apocalyptic number.
It is an amenable number.
57303469 is a deficient number, since it is larger than the sum of its proper divisors (1909121).
57303469 is an equidigital number, since it uses as much as digits as its factorization.
57303469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59691 (or 59660 counting only the distinct ones).
The product of its (nonzero) digits is 68040, while the sum is 37.
The square root of 57303469 is about 7569.9054815764. The cubic root of 57303469 is about 385.5318875471.
The spelling of 57303469 in words is "fifty-seven million, three hundred three thousand, four hundred sixty-nine".
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