Base | Representation |
---|---|
bin | 1011110000100… |
… | …0111000111001 |
3 | 10102210200121110 |
4 | 2330020320321 |
5 | 100111210411 |
6 | 4521030533 |
7 | 1136131401 |
oct | 274107071 |
9 | 112720543 |
10 | 49319481 |
11 | 25926502 |
12 | 14625449 |
13 | a2aa733 |
14 | 679b801 |
15 | 44e32a6 |
hex | 2f08e39 |
49319481 has 12 divisors (see below), whose sum is σ = 67952976. Its totient is φ = 31817160.
The previous prime is 49319471. The next prime is 49319489. The reversal of 49319481 is 18491394.
49319481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 49319481 - 27 = 49319353 is a prime.
It is a super-2 number, since 2×493194812 = 4864822412218722, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (49319489) 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 11 ways as a sum of consecutive naturals, for example, 5671 + ... + 11436.
It is an arithmetic number, because the mean of its divisors is an integer number (5662748).
Almost surely, 249319481 is an apocalyptic number.
It is an amenable number.
49319481 is a deficient number, since it is larger than the sum of its proper divisors (18633495).
49319481 is a wasteful number, since it uses less digits than its factorization.
49319481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17172 (or 17141 counting only the distinct ones).
The product of its digits is 31104, while the sum is 39.
The square root of 49319481 is about 7022.7829953659. The cubic root of 49319481 is about 366.7241403938.
The spelling of 49319481 in words is "forty-nine million, three hundred nineteen thousand, four hundred eighty-one".
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