Base | Representation |
---|---|
bin | 11101001111010… |
… | …011010100110100 |
3 | 1021012001112220000 |
4 | 131033103110310 |
5 | 2001040104310 |
6 | 120402111300 |
7 | 15104416422 |
oct | 3517232464 |
9 | 1235045800 |
10 | 490550580 |
11 | 2319a2a03 |
12 | 11834b530 |
13 | 7a827020 |
14 | 49216112 |
15 | 2d0ed4c0 |
hex | 1d3d3534 |
490550580 has 120 divisors (see below), whose sum is σ = 1657321512. Its totient is φ = 120745728.
The previous prime is 490550539. The next prime is 490550597. The reversal of 490550580 is 85055094.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 15397776 + 475152804 = 3924^2 + 21798^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9414 + ... + 32706.
Almost surely, 2490550580 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 490550580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828660756).
490550580 is an abundant number, since it is smaller than the sum of its proper divisors (1166770932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490550580 is a wasteful number, since it uses less digits than its factorization.
490550580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23327 (or 23316 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 36.
The square root of 490550580 is about 22148.3764642016. The cubic root of 490550580 is about 788.6686865257.
The spelling of 490550580 in words is "four hundred ninety million, five hundred fifty thousand, five hundred eighty".
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