Base | Representation |
---|---|
bin | 1011101101011… |
… | …0010111001001 |
3 | 10102102011201021 |
4 | 2323112113021 |
5 | 100033100041 |
6 | 4512352441 |
7 | 1134310123 |
oct | 273262711 |
9 | 112364637 |
10 | 49112521 |
11 | 257a4a67 |
12 | 14545721 |
13 | a237483 |
14 | 6746213 |
15 | 44a1cd1 |
hex | 2ed65c9 |
49112521 has 8 divisors (see below), whose sum is σ = 51355584. Its totient is φ = 46878480.
The previous prime is 49112519. The next prime is 49112527. The reversal of 49112521 is 12521194.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49112521 - 21 = 49112519 is a prime.
It is a super-3 number, since 3×491125213 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49112527) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10470 + ... + 14416.
It is an arithmetic number, because the mean of its divisors is an integer number (6419448).
Almost surely, 249112521 is an apocalyptic number.
It is an amenable number.
49112521 is a deficient number, since it is larger than the sum of its proper divisors (2243063).
49112521 is a wasteful number, since it uses less digits than its factorization.
49112521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4511.
The product of its digits is 720, while the sum is 25.
The square root of 49112521 is about 7008.0326055178. The cubic root of 49112521 is about 366.2104580544.
The spelling of 49112521 in words is "forty-nine million, one hundred twelve thousand, five hundred twenty-one".
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