Base | Representation |
---|---|
bin | 1011111010101… |
… | …0010111001011 |
3 | 10111001021212112 |
4 | 2332222113023 |
5 | 100243342000 |
6 | 4543132535 |
7 | 1144554560 |
oct | 276522713 |
9 | 114037775 |
10 | 49980875 |
11 | 2623840a |
12 | 148a414b |
13 | a47c7a9 |
14 | 68d0867 |
15 | 45c4235 |
hex | 2faa5cb |
49980875 has 24 divisors (see below), whose sum is σ = 71586528. Its totient is φ = 34129200.
The previous prime is 49980871. The next prime is 49980883. The reversal of 49980875 is 57808994.
It is not a de Polignac number, because 49980875 - 22 = 49980871 is a prime.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49980871) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209006 + ... + 209244.
It is an arithmetic number, because the mean of its divisors is an integer number (2982772).
Almost surely, 249980875 is an apocalyptic number.
49980875 is a deficient number, since it is larger than the sum of its proper divisors (21605653).
49980875 is an frugal number, since it uses more digits than its factorization.
49980875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500 (or 251 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 50.
The square root of 49980875 is about 7069.7153408040. The cubic root of 49980875 is about 368.3561724723.
Multiplying 49980875 by its product of nonzero digits (725760), we get a square (36274119840000 = 60228002).
The spelling of 49980875 in words is "forty-nine million, nine hundred eighty thousand, eight hundred seventy-five".
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