Base | Representation |
---|---|
bin | 1011111110011… |
… | …0000110100001 |
3 | 10111111201112021 |
4 | 2333212012201 |
5 | 100324204234 |
6 | 4552301441 |
7 | 1146624142 |
oct | 277460641 |
9 | 114451467 |
10 | 50225569 |
11 | 26395239 |
12 | 149a1881 |
13 | a536c94 |
14 | 6955ac9 |
15 | 46219b4 |
hex | 2fe61a1 |
50225569 has 9 divisors (see below), whose sum is σ = 53150643. Its totient is φ = 47454552.
The previous prime is 50225561. The next prime is 50225587. The reversal of 50225569 is 96552205.
The square root of 50225569 is 7087.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 27300625 + 22924944 = 5225^2 + 4788^2 .
It is not a de Polignac number, because 50225569 - 23 = 50225561 is a prime.
It is a super-2 number, since 2×502255692 = 5045215562747522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50225561) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 134467 + ... + 134839.
It is an arithmetic number, because the mean of its divisors is an integer number (5905627).
Almost surely, 250225569 is an apocalyptic number.
50225569 is the 7087-th square number.
50225569 is the 3544-th centered octagonal number.
It is an amenable number.
50225569 is a deficient number, since it is larger than the sum of its proper divisors (2925074).
50225569 is an frugal number, since it uses more digits than its factorization.
50225569 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 784 (or 392 counting only the distinct ones).
The product of its (nonzero) digits is 27000, while the sum is 34.
The cubic root of 50225569 is about 368.9563210417.
The spelling of 50225569 in words is "fifty million, two hundred twenty-five thousand, five hundred sixty-nine".
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