Base | Representation |
---|---|
bin | 11101001101010… |
… | …011001111011101 |
3 | 1021011001220020020 |
4 | 131031103033131 |
5 | 2000421312244 |
6 | 120342542353 |
7 | 15100103040 |
oct | 3515231735 |
9 | 1234056206 |
10 | 490025949 |
11 | 231674826 |
12 | 1181379b9 |
13 | 7a6a22aa |
14 | 4911ac57 |
15 | 2d047d19 |
hex | 1d3533dd |
490025949 has 16 divisors (see below), whose sum is σ = 747027072. Its totient is φ = 279894528.
The previous prime is 490025933. The next prime is 490025957. The reversal of 490025949 is 949520094.
It is not a de Polignac number, because 490025949 - 24 = 490025933 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 490025949.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490025909) 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, 73957 + ... + 80309.
It is an arithmetic number, because the mean of its divisors is an integer number (46689192).
Almost surely, 2490025949 is an apocalyptic number.
It is an amenable number.
490025949 is a deficient number, since it is larger than the sum of its proper divisors (257001123).
490025949 is a wasteful number, since it uses less digits than its factorization.
490025949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10036.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 490025949 is about 22136.5297415833. The cubic root of 490025949 is about 788.3874327345.
The spelling of 490025949 in words is "four hundred ninety million, twenty-five thousand, nine hundred forty-nine".
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