Base | Representation |
---|---|
bin | 1011110001010… |
… | …0111100100101 |
3 | 10102220012100122 |
4 | 2330110330211 |
5 | 100114300434 |
6 | 4522051325 |
7 | 1136425364 |
oct | 274247445 |
9 | 112805318 |
10 | 49368869 |
11 | 2595a620 |
12 | 14649b45 |
13 | a2c7064 |
14 | 67b17db |
15 | 4502c2e |
hex | 2f14f25 |
49368869 has 4 divisors (see below), whose sum is σ = 53856960. Its totient is φ = 44880780.
The previous prime is 49368863. The next prime is 49368881. The reversal of 49368869 is 96886394.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 49368869 - 216 = 49303333 is a prime.
It is a super-2 number, since 2×493688692 = 4874570452678322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 49368869.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49368863) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244029 + ... + 2244050.
It is an arithmetic number, because the mean of its divisors is an integer number (13464240).
Almost surely, 249368869 is an apocalyptic number.
It is an amenable number.
49368869 is a deficient number, since it is larger than the sum of its proper divisors (4488091).
49368869 is a wasteful number, since it uses less digits than its factorization.
49368869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4488090.
The product of its digits is 2239488, while the sum is 53.
The square root of 49368869 is about 7026.2983853520. The cubic root of 49368869 is about 366.8465107648.
The spelling of 49368869 in words is "forty-nine million, three hundred sixty-eight thousand, eight hundred sixty-nine".
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