Base | Representation |
---|---|
bin | 1100001001110… |
… | …1110101001101 |
3 | 10112220221211201 |
4 | 3002131311031 |
5 | 101022300000 |
6 | 5020345501 |
7 | 1156210162 |
oct | 302356515 |
9 | 115827751 |
10 | 50978125 |
11 | 26859690 |
12 | 150a5291 |
13 | a73b693 |
14 | 6ab0069 |
15 | 471e96a |
hex | 309dd4d |
50978125 has 24 divisors (see below), whose sum is σ = 69558048. Its totient is φ = 37050000.
The previous prime is 50978093. The next prime is 50978131. The reversal of 50978125 is 52187905.
It is not a de Polignac number, because 50978125 - 25 = 50978093 is a prime.
It is a Duffinian number.
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, 33634 + ... + 35116.
It is an arithmetic number, because the mean of its divisors is an integer number (2898252).
Almost surely, 250978125 is an apocalyptic number.
50978125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
50978125 is a deficient number, since it is larger than the sum of its proper divisors (18579923).
50978125 is an equidigital number, since it uses as much as digits as its factorization.
50978125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1519 (or 1499 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 37.
The square root of 50978125 is about 7139.8967079363. The cubic root of 50978125 is about 370.7899484938.
The spelling of 50978125 in words is "fifty million, nine hundred seventy-eight thousand, one hundred twenty-five".
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