Base | Representation |
---|---|
bin | 1011111011100… |
… | …1110001110100 |
3 | 10111011111111020 |
4 | 2332321301310 |
5 | 100302402040 |
6 | 4544341140 |
7 | 1145236635 |
oct | 276716164 |
9 | 114144436 |
10 | 50044020 |
11 | 262808a4 |
12 | 149147b0 |
13 | a4a2460 |
14 | 690988c |
15 | 45d7cd0 |
hex | 2fb9c74 |
50044020 has 96 divisors (see below), whose sum is σ = 152917632. Its totient is φ = 12154368.
The previous prime is 50044009. The next prime is 50044037. The reversal of 50044020 is 2044005.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64354 + ... + 65126.
It is an arithmetic number, because the mean of its divisors is an integer number (1592892).
Almost surely, 250044020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50044020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76458816).
50044020 is an abundant number, since it is smaller than the sum of its proper divisors (102873612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50044020 is a wasteful number, since it uses less digits than its factorization.
50044020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 881 (or 879 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 15.
The square root of 50044020 is about 7074.1798111159. The cubic root of 50044020 is about 368.5112321961.
Subtracting from 50044020 its sum of digits (15), we obtain a palindrome (50044005).
Adding to 50044020 its reverse (2044005), we get a palindrome (52088025).
The spelling of 50044020 in words is "fifty million, forty-four thousand, twenty".
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