Base | Representation |
---|---|
bin | 1100011011110… |
… | …1001100000111 |
3 | 10122010202101222 |
4 | 3012331030013 |
5 | 101322431033 |
6 | 5101510555 |
7 | 1202211545 |
oct | 306751407 |
9 | 118122358 |
10 | 52155143 |
11 | 27492a27 |
12 | 1557245b |
13 | aa61341 |
14 | 6cd8d95 |
15 | 48a3598 |
hex | 31bd307 |
52155143 has 2 divisors, whose sum is σ = 52155144. Its totient is φ = 52155142.
The previous prime is 52155121. The next prime is 52155199. The reversal of 52155143 is 34155125.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 52155143 - 222 = 47960839 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52155343) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26077571 + 26077572.
It is an arithmetic number, because the mean of its divisors is an integer number (26077572).
Almost surely, 252155143 is an apocalyptic number.
52155143 is a deficient number, since it is larger than the sum of its proper divisors (1).
52155143 is an equidigital number, since it uses as much as digits as its factorization.
52155143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3000, while the sum is 26.
The square root of 52155143 is about 7221.8517708410. The cubic root of 52155143 is about 373.6219477582.
The spelling of 52155143 in words is "fifty-two million, one hundred fifty-five thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •