Base | Representation |
---|---|
bin | 11101011011100… |
… | …111111110100110 |
3 | 1021102010200001120 |
4 | 131123213332212 |
5 | 2002401442102 |
6 | 120555234410 |
7 | 15144032316 |
oct | 3533477646 |
9 | 1242120046 |
10 | 493780902 |
11 | 2337a999a |
12 | 119448a06 |
13 | 7b3b8464 |
14 | 49817446 |
15 | 2d53a6bc |
hex | 1d6e7fa6 |
493780902 has 8 divisors (see below), whose sum is σ = 987561816. Its totient is φ = 164593632.
The previous prime is 493780901. The next prime is 493780907. The reversal of 493780902 is 209087394.
It is a sphenic number, since it is the product of 3 distinct primes.
493780902 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (493780901) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41148403 + ... + 41148414.
It is an arithmetic number, because the mean of its divisors is an integer number (123445227).
Almost surely, 2493780902 is an apocalyptic number.
493780902 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.
493780902 is a wasteful number, since it uses less digits than its factorization.
493780902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82296822.
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 493780902 is about 22221.1813817358. The cubic root of 493780902 is about 790.3960530814.
The spelling of 493780902 in words is "four hundred ninety-three million, seven hundred eighty thousand, nine hundred two".
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