Base | Representation |
---|---|
bin | 11101000010110… |
… | …100010110110111 |
3 | 1020221220021202121 |
4 | 131002310112313 |
5 | 1444220344012 |
6 | 120204020411 |
7 | 15034536406 |
oct | 3502642667 |
9 | 1227807677 |
10 | 487278007 |
11 | 2300681a7 |
12 | 117231707 |
13 | 79c4c5a8 |
14 | 48a0363d |
15 | 2cba3a07 |
hex | 1d0b45b7 |
487278007 has 2 divisors, whose sum is σ = 487278008. Its totient is φ = 487278006.
The previous prime is 487277951. The next prime is 487278013. The reversal of 487278007 is 700872784.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 487278007 - 223 = 478889399 is a prime.
It is a super-2 number, since 2×4872780072 = 474879712211784098, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (487278017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243639003 + 243639004.
It is an arithmetic number, because the mean of its divisors is an integer number (243639004).
Almost surely, 2487278007 is an apocalyptic number.
487278007 is a deficient number, since it is larger than the sum of its proper divisors (1).
487278007 is an equidigital number, since it uses as much as digits as its factorization.
487278007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 175616, while the sum is 43.
The square root of 487278007 is about 22074.3744418726. The cubic root of 487278007 is about 786.9109767572.
The spelling of 487278007 in words is "four hundred eighty-seven million, two hundred seventy-eight thousand, seven".
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