Base | Representation |
---|---|
bin | 1011111101001… |
… | …0000111100111 |
3 | 10111100120020210 |
4 | 2333102013213 |
5 | 100314044334 |
6 | 4550430503 |
7 | 1146133413 |
oct | 277220747 |
9 | 114316223 |
10 | 50143719 |
11 | 2633979a |
12 | 14962433 |
13 | a508952 |
14 | 6933d43 |
15 | 46075e9 |
hex | 2fd21e7 |
50143719 has 8 divisors (see below), whose sum is σ = 68413312. Its totient is φ = 32651640.
The previous prime is 50143673. The next prime is 50143721. The reversal of 50143719 is 91734105.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50143719 - 211 = 50141671 is a prime.
It is a super-2 number, since 2×501437192 = 5028785110301922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50143739) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194227 + ... + 194484.
It is an arithmetic number, because the mean of its divisors is an integer number (8551664).
Almost surely, 250143719 is an apocalyptic number.
50143719 is a deficient number, since it is larger than the sum of its proper divisors (18269593).
50143719 is a wasteful number, since it uses less digits than its factorization.
50143719 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388757.
The product of its (nonzero) digits is 3780, while the sum is 30.
The square root of 50143719 is about 7081.2229875919. Note that the first 3 decimals coincide. The cubic root of 50143719 is about 368.7557890885.
The spelling of 50143719 in words is "fifty million, one hundred forty-three thousand, seven hundred nineteen".
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