Base | Representation |
---|---|
bin | 1011111010111… |
… | …0110001010101 |
3 | 10111002012122100 |
4 | 2332232301111 |
5 | 100244431213 |
6 | 4543352313 |
7 | 1144661325 |
oct | 276566125 |
9 | 114065570 |
10 | 49998933 |
11 | 2624aa36 |
12 | 148b2699 |
13 | a487a8a |
14 | 68d7285 |
15 | 45c9773 |
hex | 2faec55 |
49998933 has 12 divisors (see below), whose sum is σ = 72455500. Its totient is φ = 33224256.
The previous prime is 49998931. The next prime is 49998947. The reversal of 49998933 is 33989994.
It can be written as a sum of positive squares in 2 ways, for example, as 1306449 + 48692484 = 1143^2 + 6978^2 .
It is not a de Polignac number, because 49998933 - 21 = 49998931 is a prime.
It is a super-2 number, since 2×499989332 = 4999786602276978, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 49998933.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49998931) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6058 + ... + 11691.
Almost surely, 249998933 is an apocalyptic number.
It is an amenable number.
49998933 is a deficient number, since it is larger than the sum of its proper divisors (22456567).
49998933 is a wasteful number, since it uses less digits than its factorization.
49998933 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18068 (or 18065 counting only the distinct ones).
The product of its digits is 1889568, while the sum is 54.
The square root of 49998933 is about 7070.9923631694. The cubic root of 49998933 is about 368.4005292710.
The spelling of 49998933 in words is "forty-nine million, nine hundred ninety-eight thousand, nine hundred thirty-three".
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