Base | Representation |
---|---|
bin | 1011111011000… |
… | …0010110110111 |
3 | 10111002112120000 |
4 | 2332300112313 |
5 | 100300133211 |
6 | 4543442343 |
7 | 1145016300 |
oct | 276602667 |
9 | 114075500 |
10 | 50005431 |
11 | 26254903 |
12 | 148b63b3 |
13 | a48aa18 |
14 | 68d97a7 |
15 | 45cb656 |
hex | 2fb05b7 |
50005431 has 60 divisors (see below), whose sum is σ = 89219592. Its totient is φ = 27814752.
The previous prime is 50005409. The next prime is 50005441. The reversal of 50005431 is 13450005.
It is not a de Polignac number, because 50005431 - 25 = 50005399 is a prime.
It is a super-2 number, since 2×500054312 = 5001086258991522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50005441) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 170521 + ... + 170813.
Almost surely, 250005431 is an apocalyptic number.
50005431 is a deficient number, since it is larger than the sum of its proper divisors (39214161).
50005431 is a wasteful number, since it uses less digits than its factorization.
50005431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362 (or 346 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 50005431 is about 7071.4518311306. The cubic root of 50005431 is about 368.4164880312.
Adding to 50005431 its reverse (13450005), we get a palindrome (63455436).
The spelling of 50005431 in words is "fifty million, five thousand, four hundred thirty-one".
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