Base | Representation |
---|---|
bin | 1011111100100… |
… | …1110111001001 |
3 | 10111021211212010 |
4 | 2333021313021 |
5 | 100312004042 |
6 | 4550010133 |
7 | 1145632665 |
oct | 277116711 |
9 | 114254763 |
10 | 50109897 |
11 | 26316342 |
12 | 14946949 |
13 | a4c6436 |
14 | 69258a5 |
15 | 45ec59c |
hex | 2fc9dc9 |
50109897 has 16 divisors (see below), whose sum is σ = 74468160. Its totient is φ = 29786112.
The previous prime is 50109889. The next prime is 50109911. The reversal of 50109897 is 79890105.
It is a happy number.
It is not a de Polignac number, because 50109897 - 23 = 50109889 is a prime.
It is a super-2 number, since 2×501098972 = 5022003554701218, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50109817) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24888 + ... + 26825.
It is an arithmetic number, because the mean of its divisors is an integer number (4654260).
Almost surely, 250109897 is an apocalyptic number.
50109897 is a gapful number since it is divisible by the number (57) formed by its first and last digit.
It is an amenable number.
50109897 is a deficient number, since it is larger than the sum of its proper divisors (24358263).
50109897 is a wasteful number, since it uses less digits than its factorization.
50109897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51752.
The product of its (nonzero) digits is 22680, while the sum is 39.
The square root of 50109897 is about 7078.8344379566. The cubic root of 50109897 is about 368.6728616967.
The spelling of 50109897 in words is "fifty million, one hundred nine thousand, eight hundred ninety-seven".
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