Base | Representation |
---|---|
bin | 11101000100001… |
… | …000010001101101 |
3 | 1020222112202021111 |
4 | 131010020101231 |
5 | 1444312343431 |
6 | 120215232021 |
7 | 15040500505 |
oct | 3504102155 |
9 | 1228482244 |
10 | 487621741 |
11 | 230282482 |
12 | 117378611 |
13 | 7a03cb99 |
14 | 48a92a05 |
15 | 2cc207b1 |
hex | 1d10846d |
487621741 has 2 divisors, whose sum is σ = 487621742. Its totient is φ = 487621740.
The previous prime is 487621711. The next prime is 487621769. The reversal of 487621741 is 147126784.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 382046116 + 105575625 = 19546^2 + 10275^2 .
It is a cyclic number.
It is not a de Polignac number, because 487621741 - 25 = 487621709 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 487621694 and 487621703.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (487621711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243810870 + 243810871.
It is an arithmetic number, because the mean of its divisors is an integer number (243810871).
Almost surely, 2487621741 is an apocalyptic number.
It is an amenable number.
487621741 is a deficient number, since it is larger than the sum of its proper divisors (1).
487621741 is an equidigital number, since it uses as much as digits as its factorization.
487621741 is an evil number, because the sum of its binary digits is even.
The product of its digits is 75264, while the sum is 40.
The square root of 487621741 is about 22082.1588844932. The cubic root of 487621741 is about 787.0959666237.
The spelling of 487621741 in words is "four hundred eighty-seven million, six hundred twenty-one thousand, seven hundred forty-one".
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