Base | Representation |
---|---|
bin | 1011101100110… |
… | …0101011100100 |
3 | 10102100011022122 |
4 | 2323030223210 |
5 | 100030312433 |
6 | 4511445112 |
7 | 1134053405 |
oct | 273145344 |
9 | 112304278 |
10 | 49072868 |
11 | 25778199 |
12 | 14526798 |
13 | a222400 |
14 | 67359ac |
15 | 4495198 |
hex | 2eccae4 |
49072868 has 36 divisors (see below), whose sum is σ = 93692340. Its totient is φ = 22478976.
The previous prime is 49072819. The next prime is 49072871. The reversal of 49072868 is 86827094.
It can be written as a sum of positive squares in 6 ways, for example, as 7573504 + 41499364 = 2752^2 + 6442^2 .
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, 154646 + ... + 154962.
It is an arithmetic number, because the mean of its divisors is an integer number (2602565).
Almost surely, 249072868 is an apocalyptic number.
It is an amenable number.
49072868 is a deficient number, since it is larger than the sum of its proper divisors (44619472).
49072868 is a wasteful number, since it uses less digits than its factorization.
49072868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576 (or 561 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 49072868 is about 7005.2029235419. The cubic root of 49072868 is about 366.1118731933. Note that the first 3 decimals are identical.
The spelling of 49072868 in words is "forty-nine million, seventy-two thousand, eight hundred sixty-eight".
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