Base | Representation |
---|---|
bin | 1011110110100… |
… | …1001100010100 |
3 | 10110112201201001 |
4 | 2331221030110 |
5 | 100211321230 |
6 | 4533313044 |
7 | 1142363413 |
oct | 275511424 |
9 | 113481631 |
10 | 49713940 |
11 | 26075901 |
12 | 14795784 |
13 | a3b8143 |
14 | 686147a |
15 | 45700ca |
hex | 2f69314 |
49713940 has 24 divisors (see below), whose sum is σ = 107222472. Its totient is φ = 19347840.
The previous prime is 49713913. The next prime is 49713941. The reversal of 49713940 is 4931794.
49713940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 30669444 + 19044496 = 5538^2 + 4364^2 .
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a self number, because there is not a number n which added to its sum of digits gives 49713940.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49713941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32851 + ... + 34330.
It is an arithmetic number, because the mean of its divisors is an integer number (4467603).
Almost surely, 249713940 is an apocalyptic number.
It is an amenable number.
49713940 is an abundant number, since it is smaller than the sum of its proper divisors (57508532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49713940 is a wasteful number, since it uses less digits than its factorization.
49713940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67227 (or 67225 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 49713940 is about 7050.8113008362. The cubic root of 49713940 is about 367.6992363755.
It can be divided in two parts, 49713 and 940, that added together give a cube (50653 = 373).
The spelling of 49713940 in words is "forty-nine million, seven hundred thirteen thousand, nine hundred forty".
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