Base | Representation |
---|---|
bin | 1100101011010… |
… | …0100100110101 |
3 | 10201001020101101 |
4 | 3022310210311 |
5 | 102102342222 |
6 | 5135330101 |
7 | 1213632010 |
oct | 312644465 |
9 | 121036341 |
10 | 53168437 |
11 | 28015263 |
12 | 15980931 |
13 | b02761a |
14 | 70c0377 |
15 | 4a03927 |
hex | 32b4935 |
53168437 has 4 divisors (see below), whose sum is σ = 60763936. Its totient is φ = 45572940.
The previous prime is 53168429. The next prime is 53168447. The reversal of 53168437 is 73486135.
53168437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73486135 = 5 ⋅14697227.
It is not a de Polignac number, because 53168437 - 23 = 53168429 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53168396 and 53168405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53168447) 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 3 ways as a sum of consecutive naturals, for example, 3797739 + ... + 3797752.
It is an arithmetic number, because the mean of its divisors is an integer number (15190984).
Almost surely, 253168437 is an apocalyptic number.
It is an amenable number.
53168437 is a deficient number, since it is larger than the sum of its proper divisors (7595499).
53168437 is an equidigital number, since it uses as much as digits as its factorization.
53168437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7595498.
The product of its digits is 60480, while the sum is 37.
The square root of 53168437 is about 7291.6690133330. The cubic root of 53168437 is about 376.0260775825.
It can be divided in two parts, 53 and 168437, that added together give a triangular number (168490 = T580).
The spelling of 53168437 in words is "fifty-three million, one hundred sixty-eight thousand, four hundred thirty-seven".
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