Base | Representation |
---|---|
bin | 11100100000011… |
… | …101001001011101 |
3 | 1020022221122011101 |
4 | 130200131021131 |
5 | 1434414120140 |
6 | 115242553101 |
7 | 14565141211 |
oct | 3440351135 |
9 | 1208848141 |
10 | 478270045 |
11 | 225a75400 |
12 | 114208791 |
13 | 78117436 |
14 | 4773a941 |
15 | 2bec499a |
hex | 1c81d25d |
478270045 has 12 divisors (see below), whose sum is σ = 630842940. Its totient is φ = 347832320.
The previous prime is 478270021. The next prime is 478270057. The reversal of 478270045 is 540072874.
It can be written as a sum of positive squares in 2 ways, for example, as 322669369 + 155600676 = 17963^2 + 12474^2 .
It is not a de Polignac number, because 478270045 - 27 = 478269917 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 478269986 and 478270013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394660 + ... + 395869.
It is an arithmetic number, because the mean of its divisors is an integer number (52570245).
Almost surely, 2478270045 is an apocalyptic number.
It is an amenable number.
478270045 is a deficient number, since it is larger than the sum of its proper divisors (152572895).
478270045 is a wasteful number, since it uses less digits than its factorization.
478270045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790556 (or 790545 counting only the distinct ones).
The product of its (nonzero) digits is 62720, while the sum is 37.
The square root of 478270045 is about 21869.3860224744. The cubic root of 478270045 is about 782.0317647020.
The spelling of 478270045 in words is "four hundred seventy-eight million, two hundred seventy thousand, forty-five".
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