Base | Representation |
---|---|
bin | 1011111010111… |
… | …0111010111110 |
3 | 10111002020111012 |
4 | 2332232322332 |
5 | 100244441200 |
6 | 4543355222 |
7 | 1144663166 |
oct | 276567276 |
9 | 114066435 |
10 | 49999550 |
11 | 26250447 |
12 | 148b2b12 |
13 | a488143 |
14 | 68d75a6 |
15 | 45c9a35 |
hex | 2faeebe |
49999550 has 48 divisors (see below), whose sum is σ = 100239120. Its totient is φ = 18485760.
The previous prime is 49999529. The next prime is 49999553. The reversal of 49999550 is 5599994.
49999550 is nontrivially palindromic in base 4.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49999553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49652 + ... + 50648.
It is an arithmetic number, because the mean of its divisors is an integer number (2088315).
Almost surely, 249999550 is an apocalyptic number.
49999550 is an abundant number, since it is smaller than the sum of its proper divisors (50239570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49999550 is a wasteful number, since it uses less digits than its factorization.
49999550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1085 (or 1080 counting only the distinct ones).
The product of its (nonzero) digits is 656100, while the sum is 50.
The square root of 49999550 is about 7071.0359919887. The cubic root of 49999550 is about 368.4020446513.
The spelling of 49999550 in words is "forty-nine million, nine hundred ninety-nine thousand, five hundred fifty".
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