Base | Representation |
---|---|
bin | 1011111000111… |
… | …1001011100101 |
3 | 10110211122011001 |
4 | 2332033023211 |
5 | 100231311131 |
6 | 4540513301 |
7 | 1143612151 |
oct | 276171345 |
9 | 113748131 |
10 | 49869541 |
11 | 261717a7 |
12 | 1484b831 |
13 | a440c07 |
14 | 68a2061 |
15 | 45a1261 |
hex | 2f8f2e5 |
49869541 has 2 divisors, whose sum is σ = 49869542. Its totient is φ = 49869540.
The previous prime is 49869539. The next prime is 49869553. The reversal of 49869541 is 14596894.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 39012516 + 10857025 = 6246^2 + 3295^2 .
It is a cyclic number.
It is not a de Polignac number, because 49869541 - 21 = 49869539 is a prime.
It is a super-2 number, since 2×498695412 = 4973942239101362, which contains 22 as substring.
Together with 49869539, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 49869491 and 49869500.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49869341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24934770 + 24934771.
It is an arithmetic number, because the mean of its divisors is an integer number (24934771).
Almost surely, 249869541 is an apocalyptic number.
It is an amenable number.
49869541 is a deficient number, since it is larger than the sum of its proper divisors (1).
49869541 is an equidigital number, since it uses as much as digits as its factorization.
49869541 is an evil number, because the sum of its binary digits is even.
The product of its digits is 311040, while the sum is 46.
The square root of 49869541 is about 7061.8369423260. The cubic root of 49869541 is about 368.0824607467.
The spelling of 49869541 in words is "forty-nine million, eight hundred sixty-nine thousand, five hundred forty-one".
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