Base | Representation |
---|---|
bin | 11101001111011… |
… | …101010011110100 |
3 | 1021012010121222200 |
4 | 131033131103310 |
5 | 2001042411401 |
6 | 120403024500 |
7 | 15104646564 |
oct | 3517352364 |
9 | 1235117880 |
10 | 490591476 |
11 | 231a20701 |
12 | 11836b130 |
13 | 7a83c81b |
14 | 49226da4 |
15 | 2d10a686 |
hex | 1d3dd4f4 |
490591476 has 72 divisors (see below), whose sum is σ = 1311273600. Its totient is φ = 154224000.
The previous prime is 490591471. The next prime is 490591477. The reversal of 490591476 is 674195094.
490591476 is a `hidden beast` number, since 4 + 90 + 5 + 91 + 476 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490591471) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161976 + ... + 164976.
Almost surely, 2490591476 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 490591476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655636800).
490591476 is an abundant number, since it is smaller than the sum of its proper divisors (820682124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490591476 is a wasteful number, since it uses less digits than its factorization.
490591476 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3269 (or 3264 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 490591476 is about 22149.2996729016. The cubic root of 490591476 is about 788.6906023754.
The spelling of 490591476 in words is "four hundred ninety million, five hundred ninety-one thousand, four hundred seventy-six".
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