Base | Representation |
---|---|
bin | 1100011011110… |
… | …1000100101001 |
3 | 10122010201202021 |
4 | 3012331010221 |
5 | 101322422130 |
6 | 5101504441 |
7 | 1202210263 |
oct | 306750451 |
9 | 118121667 |
10 | 52154665 |
11 | 27492632 |
12 | 15572121 |
13 | aa61064 |
14 | 6cd8b33 |
15 | 48a337a |
hex | 31bd129 |
52154665 has 8 divisors (see below), whose sum is σ = 64112328. Its totient is φ = 40705920.
The previous prime is 52154659. The next prime is 52154699. The reversal of 52154665 is 56645125.
52154665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 257049 + 51897616 = 507^2 + 7204^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52154665 - 25 = 52154633 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 52154665.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127002 + ... + 127411.
It is an arithmetic number, because the mean of its divisors is an integer number (8014041).
Almost surely, 252154665 is an apocalyptic number.
It is an amenable number.
52154665 is a deficient number, since it is larger than the sum of its proper divisors (11957663).
52154665 is a wasteful number, since it uses less digits than its factorization.
52154665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254459.
The product of its digits is 36000, while the sum is 34.
The square root of 52154665 is about 7221.8186767600. The cubic root of 52154665 is about 373.6208063441.
The spelling of 52154665 in words is "fifty-two million, one hundred fifty-four thousand, six hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •