Base | Representation |
---|---|
bin | 1011111101001… |
… | …0001011100111 |
3 | 10111100120121021 |
4 | 2333102023213 |
5 | 100314101400 |
6 | 4550432011 |
7 | 1146134230 |
oct | 277221347 |
9 | 114316537 |
10 | 50143975 |
11 | 26339a02 |
12 | 14962607 |
13 | a508abb |
14 | 6934087 |
15 | 460771a |
hex | 2fd22e7 |
50143975 has 24 divisors (see below), whose sum is σ = 71790048. Its totient is φ = 34032000.
The previous prime is 50143967. The next prime is 50143981. The reversal of 50143975 is 57934105.
It is not a de Polignac number, because 50143975 - 23 = 50143967 is a prime.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 50143975.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16257 + ... + 19093.
It is an arithmetic number, because the mean of its divisors is an integer number (2991252).
Almost surely, 250143975 is an apocalyptic number.
50143975 is a deficient number, since it is larger than the sum of its proper divisors (21646073).
50143975 is a wasteful number, since it uses less digits than its factorization.
50143975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2955 (or 2950 counting only the distinct ones).
The product of its (nonzero) digits is 18900, while the sum is 34.
The square root of 50143975 is about 7081.2410635425. The cubic root of 50143975 is about 368.7564166268.
The spelling of 50143975 in words is "fifty million, one hundred forty-three thousand, nine hundred seventy-five".
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