Base | Representation |
---|---|
bin | 1011101111010… |
… | …1000100010000 |
3 | 10102122120020022 |
4 | 2323311010100 |
5 | 100101111123 |
6 | 4515203012 |
7 | 1135342601 |
oct | 273650420 |
9 | 112576208 |
10 | 49238288 |
11 | 25880500 |
12 | 145a6468 |
13 | a27c7a8 |
14 | 6779da8 |
15 | 44c91c8 |
hex | 2ef5110 |
49238288 has 60 divisors (see below), whose sum is σ = 108599820. Its totient is φ = 21584640.
The previous prime is 49238269. The next prime is 49238303. The reversal of 49238288 is 88283294.
It is a Cunningham number, because it is equal to 70172-1.
It can be written as a sum of positive squares in 2 ways, for example, as 34245904 + 14992384 = 5852^2 + 3872^2 .
It is a Harshad number since it is a multiple of its sum of digits (44).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55706 + ... + 56582.
It is an arithmetic number, because the mean of its divisors is an integer number (1809997).
Almost surely, 249238288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49238288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54299910).
49238288 is an abundant number, since it is smaller than the sum of its proper divisors (59361532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49238288 is a wasteful number, since it uses less digits than its factorization.
49238288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 936 (or 919 counting only the distinct ones).
The product of its digits is 221184, while the sum is 44.
The square root of 49238288 is about 7016.9999287445. Note that the first 4 decimals coincide. The cubic root of 49238288 is about 366.5227879944.
The spelling of 49238288 in words is "forty-nine million, two hundred thirty-eight thousand, two hundred eighty-eight".
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