Base | Representation |
---|---|
bin | 1011101101011… |
… | …1111000000000 |
3 | 10102102111012212 |
4 | 2323113320000 |
5 | 100033244340 |
6 | 4512441252 |
7 | 1134334160 |
oct | 273277000 |
9 | 112374185 |
10 | 49118720 |
11 | 257a9692 |
12 | 14549228 |
13 | a23a241 |
14 | 67485a0 |
15 | 44a3a65 |
hex | 2ed7e00 |
49118720 has 80 divisors (see below), whose sum is σ = 134643168. Its totient is φ = 16834560.
The previous prime is 49118717. The next prime is 49118737. The reversal of 49118720 is 2781194.
49118720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16550 + ... + 19290.
Almost surely, 249118720 is an apocalyptic number.
49118720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49118720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67321584).
49118720 is an abundant number, since it is smaller than the sum of its proper divisors (85524448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49118720 is an equidigital number, since it uses as much as digits as its factorization.
49118720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2771 (or 2755 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 49118720 is about 7008.4748697559. The cubic root of 49118720 is about 366.2258651446.
It can be divided in two parts, 4911 and 8720, that added together give a palindrome (13631).
The spelling of 49118720 in words is "forty-nine million, one hundred eighteen thousand, seven hundred twenty".
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