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5423684381 = 6367851843
BaseRepresentation
bin1010000110100011…
…01101101100011101
3111222222121201021022
411003101231230131
542101430400011
62254104213525
7251255361623
oct50321555435
914888551238
105423684381
11233358a395
12107446a2a5
136858735cb
1439646d513
1521b2478db
hex14346db1d

5423684381 has 4 divisors (see below), whose sum is σ = 5424542592. Its totient is φ = 5422826172.

The previous prime is 5423684377. The next prime is 5423684389. The reversal of 5423684381 is 1834863245.

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.

It is a cyclic number.

It is not a de Polignac number, because 5423684381 - 22 = 5423684377 is a prime.

It is a super-2 number, since 2×54236843812 = 58832704529406706322, which contains 22 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 (5423684389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419555 + ... + 432288.

It is an arithmetic number, because the mean of its divisors is an integer number (1356135648).

Almost surely, 25423684381 is an apocalyptic number.

It is an amenable number.

5423684381 is a deficient number, since it is larger than the sum of its proper divisors (858211).

5423684381 is an equidigital number, since it uses as much as digits as its factorization.

5423684381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858210.

The product of its digits is 552960, while the sum is 44.

The square root of 5423684381 is about 73645.6677680364. The cubic root of 5423684381 is about 1756.9718483923.

The spelling of 5423684381 in words is "five billion, four hundred twenty-three million, six hundred eighty-four thousand, three hundred eighty-one".

Divisors: 1 6367 851843 5423684381