Base | Representation |
---|---|
bin | 10010001111000111000111 |
3 | 22222212121002 |
4 | 102033013013 |
5 | 2210433422 |
6 | 250243515 |
7 | 55430165 |
oct | 22170707 |
9 | 8885532 |
10 | 4780487 |
11 | 2775718 |
12 | 172659b |
13 | cb4bba |
14 | 8c6235 |
15 | 646692 |
hex | 48f1c7 |
4780487 has 2 divisors, whose sum is σ = 4780488. Its totient is φ = 4780486.
The previous prime is 4780483. The next prime is 4780499. The reversal of 4780487 is 7840874.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 4780487 - 22 = 4780483 is a prime.
It is a nialpdrome in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 4780487.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4780483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390243 + 2390244.
It is an arithmetic number, because the mean of its divisors is an integer number (2390244).
Almost surely, 24780487 is an apocalyptic number.
4780487 is a deficient number, since it is larger than the sum of its proper divisors (1).
4780487 is an equidigital number, since it uses as much as digits as its factorization.
4780487 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 50176, while the sum is 38.
The square root of 4780487 is about 2186.4324823785. The cubic root of 4780487 is about 168.4576406478.
The spelling of 4780487 in words is "four million, seven hundred eighty thousand, four hundred eighty-seven".
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