Base | Representation |
---|---|
bin | 1011111110110… |
… | …1011000011100 |
3 | 10111120020102200 |
4 | 2333231120130 |
5 | 100331133023 |
6 | 4553051500 |
7 | 1150110111 |
oct | 277553034 |
9 | 114506380 |
10 | 50255388 |
11 | 26405687 |
12 | 149b6b90 |
13 | a547721 |
14 | 6962908 |
15 | 462a743 |
hex | 2fed61c |
50255388 has 18 divisors (see below), whose sum is σ = 127034544. Its totient is φ = 16751784.
The previous prime is 50255377. The next prime is 50255389. The reversal of 50255388 is 88355205.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1395983 = 50255388 / (5 + 0 + 2 + 5 + 5 + 3 + 8 + 8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50255389) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 697956 + ... + 698027.
Almost surely, 250255388 is an apocalyptic number.
It is an amenable number.
50255388 is an abundant number, since it is smaller than the sum of its proper divisors (76779156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50255388 is a wasteful number, since it uses less digits than its factorization.
50255388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1395993 (or 1395988 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 36.
The square root of 50255388 is about 7089.1034694099. The cubic root of 50255388 is about 369.0293232475.
The spelling of 50255388 in words is "fifty million, two hundred fifty-five thousand, three hundred eighty-eight".
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