Base | Representation |
---|---|
bin | 1011101111010… |
… | …1000001101001 |
3 | 10102122120000010 |
4 | 2323311001221 |
5 | 100101104441 |
6 | 4515202133 |
7 | 1135342242 |
oct | 273650151 |
9 | 112576003 |
10 | 49238121 |
11 | 25880369 |
12 | 145a6349 |
13 | a27c6aa |
14 | 6779cc9 |
15 | 44c9116 |
hex | 2ef5069 |
49238121 has 8 divisors (see below), whose sum is σ = 65800800. Its totient is φ = 32750432.
The previous prime is 49238117. The next prime is 49238131. The reversal of 49238121 is 12183294.
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 49238121 - 22 = 49238117 is a prime.
It is a super-3 number, since 3×492381213 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (49238131) 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, 17196 + ... + 19853.
It is an arithmetic number, because the mean of its divisors is an integer number (8225100).
Almost surely, 249238121 is an apocalyptic number.
It is an amenable number.
49238121 is a deficient number, since it is larger than the sum of its proper divisors (16562679).
49238121 is a wasteful number, since it uses less digits than its factorization.
49238121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37495.
The product of its digits is 3456, while the sum is 30.
The square root of 49238121 is about 7016.9880290620. The cubic root of 49238121 is about 366.5223736192.
The spelling of 49238121 in words is "forty-nine million, two hundred thirty-eight thousand, one hundred twenty-one".
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