Base | Representation |
---|---|
bin | 11101001111111… |
… | …111001010110000 |
3 | 1021012101200020010 |
4 | 131033333022300 |
5 | 2001111331120 |
6 | 120410014520 |
7 | 15106065114 |
oct | 3517771260 |
9 | 1235350203 |
10 | 490730160 |
11 | 232005918 |
12 | 118417440 |
13 | 7a88a99b |
14 | 49261744 |
15 | 2d1367e0 |
hex | 1d3ff2b0 |
490730160 has 80 divisors (see below), whose sum is σ = 1610762976. Its totient is φ = 123162624.
The previous prime is 490730137. The next prime is 490730161. The reversal of 490730160 is 61037094.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (490730161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56059 + ... + 64218.
Almost surely, 2490730160 is an apocalyptic number.
490730160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
490730160 is an abundant number, since it is smaller than the sum of its proper divisors (1120032816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490730160 is a wasteful number, since it uses less digits than its factorization.
490730160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120310 (or 120304 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 490730160 is about 22152.4301150009. The cubic root of 490730160 is about 788.7649129901.
The spelling of 490730160 in words is "four hundred ninety million, seven hundred thirty thousand, one hundred sixty".
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