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54014921 = 77369877
BaseRepresentation
bin1100111000001…
…1001111001001
310202122020112122
43032003033021
5102311434141
65205421025
71224055622
oct316031711
9122566478
1054014921
1128543234
121610a775
13b2629bc
147260a49
154b1e64b
hex33833c9

54014921 has 4 divisors (see below), whose sum is σ = 54085572. Its totient is φ = 53944272.

The previous prime is 54014911. The next prime is 54014941. The reversal of 54014921 is 12941045.

54014921 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2016400 + 51998521 = 1420^2 + 7211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54014921 is a prime.

It is a super-2 number, since 2×540149212 = 5835223381272482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54014911) 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, 34166 + ... + 35711.

It is an arithmetic number, because the mean of its divisors is an integer number (13521393).

Almost surely, 254014921 is an apocalyptic number.

It is an amenable number.

54014921 is a deficient number, since it is larger than the sum of its proper divisors (70651).

54014921 is an equidigital number, since it uses as much as digits as its factorization.

54014921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70650.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 54014921 is about 7349.4844036844. The cubic root of 54014921 is about 378.0111252476.

Adding to 54014921 its reverse (12941045), we get a palindrome (66955966).

The spelling of 54014921 in words is "fifty-four million, fourteen thousand, nine hundred twenty-one".

Divisors: 1 773 69877 54014921