Base | Representation |
---|---|
bin | 1011101110101… |
… | …1000010100111 |
3 | 10102120110220101 |
4 | 2323223002213 |
5 | 100043302343 |
6 | 4514244531 |
7 | 1135112065 |
oct | 273530247 |
9 | 112513811 |
10 | 49197223 |
11 | 25852669 |
12 | 14586747 |
13 | a266baa |
14 | 6769035 |
15 | 44bbe4d |
hex | 2eeb0a7 |
49197223 has 4 divisors (see below), whose sum is σ = 49240408. Its totient is φ = 49154040.
The previous prime is 49197191. The next prime is 49197241. The reversal of 49197223 is 32279194.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32279194 = 2 ⋅16139597.
It is a cyclic number.
It is not a de Polignac number, because 49197223 - 25 = 49197191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49197283) 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, 19836 + ... + 22177.
It is an arithmetic number, because the mean of its divisors is an integer number (12310102).
Almost surely, 249197223 is an apocalyptic number.
49197223 is a deficient number, since it is larger than the sum of its proper divisors (43185).
49197223 is a wasteful number, since it uses less digits than its factorization.
49197223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43184.
The product of its digits is 27216, while the sum is 37.
The square root of 49197223 is about 7014.0732103393. The cubic root of 49197223 is about 366.4208656549.
The spelling of 49197223 in words is "forty-nine million, one hundred ninety-seven thousand, two hundred twenty-three".
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