Base | Representation |
---|---|
bin | 1011110010100… |
… | …0011101111111 |
3 | 10110001021001012 |
4 | 2330220131333 |
5 | 100124330311 |
6 | 4523505435 |
7 | 1140210455 |
oct | 274503577 |
9 | 113037035 |
10 | 49448831 |
11 | 25a04703 |
12 | 1468827b |
13 | a324583 |
14 | 67d29d5 |
15 | 451b78b |
hex | 2f2877f |
49448831 has 4 divisors (see below), whose sum is σ = 49902600. Its totient is φ = 48995064.
The previous prime is 49448809. The next prime is 49448837. The reversal of 49448831 is 13884494.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-49448831 is a prime.
It is a super-2 number, since 2×494488312 = 4890373774533122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49448837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226721 + ... + 226938.
It is an arithmetic number, because the mean of its divisors is an integer number (12475650).
Almost surely, 249448831 is an apocalyptic number.
49448831 is a deficient number, since it is larger than the sum of its proper divisors (453769).
49448831 is a wasteful number, since it uses less digits than its factorization.
49448831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453768.
The product of its digits is 110592, while the sum is 41.
The square root of 49448831 is about 7031.9862770059. The cubic root of 49448831 is about 367.0444624860.
The spelling of 49448831 in words is "forty-nine million, four hundred forty-eight thousand, eight hundred thirty-one".
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