Base | Representation |
---|---|
bin | 1011110110001… |
… | …1110001100100 |
3 | 10110111121021010 |
4 | 2331203301210 |
5 | 100210113443 |
6 | 4533022220 |
7 | 1142241621 |
oct | 275436144 |
9 | 113447233 |
10 | 49691748 |
11 | 26060167 |
12 | 14784970 |
13 | a3ab002 |
14 | 6857348 |
15 | 4568733 |
hex | 2f63c64 |
49691748 has 24 divisors (see below), whose sum is σ = 122768352. Its totient is φ = 15589504.
The previous prime is 49691743. The next prime is 49691749. The reversal of 49691748 is 84719694.
It is a junction number, because it is equal to n+sod(n) for n = 49691697 and 49691706.
It is not an unprimeable number, because it can be changed into a prime (49691743) 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, 121590 + ... + 121997.
It is an arithmetic number, because the mean of its divisors is an integer number (5115348).
Almost surely, 249691748 is an apocalyptic number.
It is an amenable number.
49691748 is an abundant number, since it is smaller than the sum of its proper divisors (73076604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49691748 is a wasteful number, since it uses less digits than its factorization.
49691748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243611 (or 243609 counting only the distinct ones).
The product of its digits is 435456, while the sum is 48.
The square root of 49691748 is about 7049.2374055638. The cubic root of 49691748 is about 367.6445153325.
The spelling of 49691748 in words is "forty-nine million, six hundred ninety-one thousand, seven hundred forty-eight".
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