Base | Representation |
---|---|
bin | 1011011110110… |
… | …1000111010111 |
3 | 10100121122011220 |
4 | 2313231013113 |
5 | 44312012033 |
6 | 4440101423 |
7 | 1123220556 |
oct | 267550727 |
9 | 110548156 |
10 | 48157143 |
11 | 252021a1 |
12 | 14164873 |
13 | 9c91668 |
14 | 6577d9d |
15 | 4363bb3 |
hex | 2ded1d7 |
48157143 has 4 divisors (see below), whose sum is σ = 64209528. Its totient is φ = 32104760.
The previous prime is 48157129. The next prime is 48157177. The reversal of 48157143 is 34175184.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 48157143 - 26 = 48157079 is a prime.
It is a super-2 number, since 2×481571432 = 4638220843844898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48157183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8026188 + ... + 8026193.
It is an arithmetic number, because the mean of its divisors is an integer number (16052382).
Almost surely, 248157143 is an apocalyptic number.
48157143 is a deficient number, since it is larger than the sum of its proper divisors (16052385).
48157143 is a wasteful number, since it uses less digits than its factorization.
48157143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16052384.
The product of its digits is 13440, while the sum is 33.
The square root of 48157143 is about 6939.5347826782. The cubic root of 48157143 is about 363.8202807010.
The spelling of 48157143 in words is "forty-eight million, one hundred fifty-seven thousand, one hundred forty-three".
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