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5421853 = 11347981
BaseRepresentation
bin10100101011101100011101
3101012110101101
4110223230131
52341444403
6312113101
764041103
oct24535435
911173341
105421853
113073578
121995791
13117aac8
14a11c73
1572171d
hex52bb1d

5421853 has 4 divisors (see below), whose sum is σ = 5469948. Its totient is φ = 5373760.

The previous prime is 5421839. The next prime is 5421887. The reversal of 5421853 is 3581245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3581245 = 5716249.

It can be written as a sum of positive squares in 2 ways, for example, as 573049 + 4848804 = 757^2 + 2202^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421853 - 29 = 5421341 is a prime.

It is a super-3 number, since 3×54218533 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421803) 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, 23878 + ... + 24103.

It is an arithmetic number, because the mean of its divisors is an integer number (1367487).

Almost surely, 25421853 is an apocalyptic number.

It is an amenable number.

5421853 is a deficient number, since it is larger than the sum of its proper divisors (48095).

5421853 is a wasteful number, since it uses less digits than its factorization.

5421853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48094.

The product of its digits is 4800, while the sum is 28.

The square root of 5421853 is about 2328.4872771823. The cubic root of 5421853 is about 175.6774070961.

The spelling of 5421853 in words is "five million, four hundred twenty-one thousand, eight hundred fifty-three".

Divisors: 1 113 47981 5421853