Base | Representation |
---|---|
bin | 1011111101001… |
… | …0011011101000 |
3 | 10111100122000020 |
4 | 2333102123220 |
5 | 100314120000 |
6 | 4550440440 |
7 | 1146140223 |
oct | 277223350 |
9 | 114318006 |
10 | 50145000 |
11 | 2633a754 |
12 | 14963120 |
13 | a5093c9 |
14 | 69345ba |
15 | 4607ba0 |
hex | 2fd26e8 |
50145000 has 80 divisors (see below), whose sum is σ = 156699840. Its totient is φ = 13368000.
The previous prime is 50144999. The next prime is 50145079. The reversal of 50145000 is 54105.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13329 + ... + 16671.
It is an arithmetic number, because the mean of its divisors is an integer number (1958748).
Almost surely, 250145000 is an apocalyptic number.
50145000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50145000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78349920).
50145000 is an abundant number, since it is smaller than the sum of its proper divisors (106554840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50145000 is a wasteful number, since it uses less digits than its factorization.
50145000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3372 (or 3353 counting only the distinct ones).
The product of its (nonzero) digits is 100, while the sum is 15.
The square root of 50145000 is about 7081.3134374917. The cubic root of 50145000 is about 368.7589292102.
Adding to 50145000 its reverse (54105), we get a palindrome (50199105).
The spelling of 50145000 in words is "fifty million, one hundred forty-five thousand".
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