Base | Representation |
---|---|
bin | 1101000100101111111… |
… | …10110000001111101110 |
3 | 1120221112100202001012000 |
4 | 12202113332300033232 |
5 | 24330003430041232 |
6 | 542212144553130 |
7 | 44312151321153 |
oct | 6422776601756 |
9 | 1527470661160 |
10 | 449226408942 |
11 | 163574661aa3 |
12 | 730910227a6 |
13 | 3349204377c |
14 | 17a57c8022a |
15 | ba433d127c |
hex | 6897fb03ee |
449226408942 has 64 divisors (see below), whose sum is σ = 1032932843520. Its totient is φ = 144567309600.
The previous prime is 449226408941. The next prime is 449226409001. The reversal of 449226408942 is 249804622944.
It is a happy number.
449226408942 is a `hidden beast` number, since 4 + 4 + 9 + 226 + 408 + 9 + 4 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (449226408941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386043 + ... + 1023465.
It is an arithmetic number, because the mean of its divisors is an integer number (16139575680).
Almost surely, 2449226408942 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 449226408942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516466421760).
449226408942 is an abundant number, since it is smaller than the sum of its proper divisors (583706434578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
449226408942 is a wasteful number, since it uses less digits than its factorization.
449226408942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 637886 (or 637880 counting only the distinct ones).
The product of its (nonzero) digits is 7962624, while the sum is 54.
The spelling of 449226408942 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, nine hundred forty-two".
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