Base | Representation |
---|---|
bin | 100100000011111… |
… | …010010010111100 |
3 | 1120011102102211011 |
4 | 210003322102330 |
5 | 2214340124423 |
6 | 140011205004 |
7 | 20664312640 |
oct | 4403722274 |
9 | 1504372734 |
10 | 605004988 |
11 | 290567225 |
12 | 14a746764 |
13 | 9845ba23 |
14 | 5a4cac20 |
15 | 381aab0d |
hex | 240fa4bc |
605004988 has 12 divisors (see below), whose sum is σ = 1210010032. Its totient is φ = 259287840.
The previous prime is 605004977. The next prime is 605005003. The reversal of 605004988 is 889400506.
605004988 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 605004988.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10803633 + ... + 10803688.
Almost surely, 2605004988 is an apocalyptic number.
It is an amenable number.
605004988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
605004988 is a wasteful number, since it uses less digits than its factorization.
605004988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21607332 (or 21607330 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 40.
The square root of 605004988 is about 24596.8491478075. The cubic root of 605004988 is about 845.7713801555.
It can be divided in two parts, 60500498 and 8, that added together give a palindrome (60500506).
The spelling of 605004988 in words is "six hundred five million, four thousand, nine hundred eighty-eight".
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