Base | Representation |
---|---|
bin | 11101001100001… |
… | …001111100001001 |
3 | 1021010111122101002 |
4 | 131030021330021 |
5 | 2000332210310 |
6 | 120332304345 |
7 | 15064412510 |
oct | 3514117411 |
9 | 1233448332 |
10 | 489725705 |
11 | 23148a197 |
12 | 1180120b5 |
13 | 7a5c8731 |
14 | 4907d677 |
15 | 2ced8da5 |
hex | 1d309f09 |
489725705 has 8 divisors (see below), whose sum is σ = 671623872. Its totient is φ = 335811888.
The previous prime is 489725659. The next prime is 489725711. The reversal of 489725705 is 507527984.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 489725705 - 26 = 489725641 is a prime.
It is a super-2 number, since 2×4897257052 = 479662532275494050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 489725705.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6996047 + ... + 6996116.
It is an arithmetic number, because the mean of its divisors is an integer number (83952984).
Almost surely, 2489725705 is an apocalyptic number.
It is an amenable number.
489725705 is a deficient number, since it is larger than the sum of its proper divisors (181898167).
489725705 is a wasteful number, since it uses less digits than its factorization.
489725705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13992175.
The product of its (nonzero) digits is 705600, while the sum is 47.
The square root of 489725705 is about 22129.7470613652. The cubic root of 489725705 is about 788.2263821086.
The spelling of 489725705 in words is "four hundred eighty-nine million, seven hundred twenty-five thousand, seven hundred five".
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