Base | Representation |
---|---|
bin | 11101001101001… |
… | …100111100100000 |
3 | 1021011000120212002 |
4 | 131031030330200 |
5 | 2000420001120 |
6 | 120342223132 |
7 | 15066634616 |
oct | 3515147440 |
9 | 1234016762 |
10 | 490000160 |
11 | 231657411 |
12 | 118124aa8 |
13 | 7a693630 |
14 | 491116b6 |
15 | 2d040375 |
hex | 1d34cf20 |
490000160 has 48 divisors (see below), whose sum is σ = 1246678776. Its totient is φ = 180922368.
The previous prime is 490000151. The next prime is 490000169. The reversal of 490000160 is 61000094.
It is an interprime number because it is at equal distance from previous prime (490000151) and next prime (490000169).
It can be written as a sum of positive squares in 4 ways, for example, as 211644304 + 278355856 = 14548^2 + 16684^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (490000169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115709 + ... + 119868.
Almost surely, 2490000160 is an apocalyptic number.
490000160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
490000160 is an abundant number, since it is smaller than the sum of its proper divisors (756678616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490000160 is a wasteful number, since it uses less digits than its factorization.
490000160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235605 (or 235597 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 490000160 is about 22135.9472352100. The cubic root of 490000160 is about 788.3736021199.
The spelling of 490000160 in words is "four hundred ninety million, one hundred sixty", and thus it is an aban number.
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