Base | Representation |
---|---|
bin | 1011111010001… |
… | …0001101000100 |
3 | 10110222121000221 |
4 | 2332202031010 |
5 | 100241304320 |
6 | 4542314124 |
7 | 1144355263 |
oct | 276421504 |
9 | 113877027 |
10 | 49947460 |
11 | 262152a2 |
12 | 14888944 |
13 | a46a514 |
14 | 68c25da |
15 | 45b93aa |
hex | 2fa2344 |
49947460 has 24 divisors (see below), whose sum is σ = 105661080. Its totient is φ = 19832064.
The previous prime is 49947451. The next prime is 49947463. The reversal of 49947460 is 6474994.
It can be written as a sum of positive squares in 4 ways, for example, as 22886656 + 27060804 = 4784^2 + 5202^2 .
It is not an unprimeable number, because it can be changed into a prime (49947463) 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, 6375 + ... + 11854.
It is an arithmetic number, because the mean of its divisors is an integer number (4402545).
Almost surely, 249947460 is an apocalyptic number.
It is an amenable number.
49947460 is an abundant number, since it is smaller than the sum of its proper divisors (55713620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49947460 is a wasteful number, since it uses less digits than its factorization.
49947460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18375 (or 18373 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 43.
The square root of 49947460 is about 7067.3516963570. The cubic root of 49947460 is about 368.2740652962.
The spelling of 49947460 in words is "forty-nine million, nine hundred forty-seven thousand, four hundred sixty".
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