Base | Representation |
---|---|
bin | 1100110010010… |
… | …1010011001011 |
3 | 10201220200202001 |
4 | 3030211103023 |
5 | 102212131110 |
6 | 5153251431 |
7 | 1220564065 |
oct | 314452313 |
9 | 121820661 |
10 | 53630155 |
11 | 28300147 |
12 | 15b63b77 |
13 | b159827 |
14 | 71a0735 |
15 | 4a9563a |
hex | 33254cb |
53630155 has 16 divisors (see below), whose sum is σ = 70343424. Its totient is φ = 39075840.
The previous prime is 53630153. The next prime is 53630167. The reversal of 53630155 is 55103635.
It is a happy number.
53630155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 53630155 - 21 = 53630153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53630153) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 7542 + ... + 12811.
It is an arithmetic number, because the mean of its divisors is an integer number (4396464).
Almost surely, 253630155 is an apocalyptic number.
53630155 is a deficient number, since it is larger than the sum of its proper divisors (16713269).
53630155 is a wasteful number, since it uses less digits than its factorization.
53630155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20406.
The product of its (nonzero) digits is 6750, while the sum is 28.
The square root of 53630155 is about 7323.2612270764. The cubic root of 53630155 is about 377.1114198087. Note that the first 3 decimals are identical.
The spelling of 53630155 in words is "fifty-three million, six hundred thirty thousand, one hundred fifty-five".
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