Base | Representation |
---|---|
bin | 1011101110010… |
… | …1000100111001 |
3 | 10102112020101120 |
4 | 2323211010321 |
5 | 100042012133 |
6 | 4513535453 |
7 | 1134650625 |
oct | 273450471 |
9 | 112466346 |
10 | 49172793 |
11 | 2583627a |
12 | 14574589 |
13 | a258a37 |
14 | 6760185 |
15 | 44b4ab3 |
hex | 2ee5139 |
49172793 has 4 divisors (see below), whose sum is σ = 65563728. Its totient is φ = 32781860.
The previous prime is 49172791. The next prime is 49172819. The reversal of 49172793 is 39727194.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 49172793 - 21 = 49172791 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49172791) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8195463 + ... + 8195468.
It is an arithmetic number, because the mean of its divisors is an integer number (16390932).
Almost surely, 249172793 is an apocalyptic number.
It is an amenable number.
49172793 is a deficient number, since it is larger than the sum of its proper divisors (16390935).
49172793 is a wasteful number, since it uses less digits than its factorization.
49172793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16390934.
The product of its digits is 95256, while the sum is 42.
The square root of 49172793 is about 7012.3314953017. The cubic root of 49172793 is about 366.3602040747.
The spelling of 49172793 in words is "forty-nine million, one hundred seventy-two thousand, seven hundred ninety-three".
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