Base | Representation |
---|---|
bin | 1011110111001… |
… | …1101100110100 |
3 | 10110121220202010 |
4 | 2331303230310 |
5 | 100214210410 |
6 | 4534244220 |
7 | 1142633040 |
oct | 275635464 |
9 | 113556663 |
10 | 49756980 |
11 | 260a5179 |
12 | 147b6670 |
13 | a401900 |
14 | 6873020 |
15 | 457cc20 |
hex | 2f73b34 |
49756980 has 144 divisors (see below), whose sum is σ = 172658304. Its totient is φ = 10483200.
The previous prime is 49756979. The next prime is 49756997. The reversal of 49756980 is 8965794.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70630 + ... + 71330.
It is an arithmetic number, because the mean of its divisors is an integer number (1199016).
Almost surely, 249756980 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 49756980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86329152).
49756980 is an abundant number, since it is smaller than the sum of its proper divisors (122901324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49756980 is a wasteful number, since it uses less digits than its factorization.
49756980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 746 (or 731 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 48.
The square root of 49756980 is about 7053.8627715600. The cubic root of 49756980 is about 367.8053180249.
The spelling of 49756980 in words is "forty-nine million, seven hundred fifty-six thousand, nine hundred eighty".
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