| Base | Representation |
|---|---|
| bin | 11010110010100… |
| … | …001000010111100 |
| 3 | 1011022201102201200 |
| 4 | 122302201002330 |
| 5 | 1410024401142 |
| 6 | 112333135500 |
| 7 | 14065156233 |
| oct | 3262410274 |
| 9 | 1138642650 |
| 10 | 449450172 |
| 11 | 210780626 |
| 12 | 10662a590 |
| 13 | 72166662 |
| 14 | 43997b1a |
| 15 | 296d064c |
| hex | 1aca10bc |
449450172 has 18 divisors (see below), whose sum is σ = 1136110248. Its totient is φ = 149816712.
The previous prime is 449450171. The next prime is 449450173. The reversal of 449450172 is 271054944.
It is a happy number.
449450172 is a `hidden beast` number, since 449 + 45 + 0 + 172 = 666.
It is an interprime number because it is at equal distance from previous prime (449450171) and next prime (449450173).
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×4494501722 = 404010914221659168, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 12484727 = 449450172 / (4 + 4 + 9 + 4 + 5 + 0 + 1 + 7 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (449450171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6242328 + ... + 6242399.
It is an arithmetic number, because the mean of its divisors is an integer number (63117236).
Almost surely, 2449450172 is an apocalyptic number.
It is an amenable number.
449450172 is an abundant number, since it is smaller than the sum of its proper divisors (686660076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
449450172 is a wasteful number, since it uses less digits than its factorization.
449450172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12484737 (or 12484732 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 449450172 is about 21200.2399043030. The cubic root of 449450172 is about 765.9972026885.
The spelling of 449450172 in words is "four hundred forty-nine million, four hundred fifty thousand, one hundred seventy-two".
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