Base | Representation |
---|---|
bin | 1011011111001… |
… | …0011111110101 |
3 | 10100122202102102 |
4 | 2313302133311 |
5 | 44313213224 |
6 | 4440351445 |
7 | 1123342052 |
oct | 267623765 |
9 | 110582372 |
10 | 48179189 |
11 | 25217813 |
12 | 14175585 |
13 | 9c9b6c6 |
14 | 6582029 |
15 | 436a4ae |
hex | 2df27f5 |
48179189 has 2 divisors, whose sum is σ = 48179190. Its totient is φ = 48179188.
The previous prime is 48179167. The next prime is 48179191. The reversal of 48179189 is 98197184.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 33988900 + 14190289 = 5830^2 + 3767^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48179189 is a prime.
Together with 48179191, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48179119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24089594 + 24089595.
It is an arithmetic number, because the mean of its divisors is an integer number (24089595).
Almost surely, 248179189 is an apocalyptic number.
It is an amenable number.
48179189 is a deficient number, since it is larger than the sum of its proper divisors (1).
48179189 is an equidigital number, since it uses as much as digits as its factorization.
48179189 is an evil number, because the sum of its binary digits is even.
The product of its digits is 145152, while the sum is 47.
The square root of 48179189 is about 6941.1230359359. The cubic root of 48179189 is about 363.8757903496.
The spelling of 48179189 in words is "forty-eight million, one hundred seventy-nine thousand, one hundred eighty-nine".
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