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4208424081 = 31402808027
BaseRepresentation
bin1111101011010111…
…0111010010010001
3101212021220002112120
43322311313102101
532104324032311
61533333044453
7206201004651
oct37265672221
911767802476
104208424081
11186a600334
12995486729
13520b68184
142bccca361
151996e5706
hexfad77491

4208424081 has 4 divisors (see below), whose sum is σ = 5611232112. Its totient is φ = 2805616052.

The previous prime is 4208424047. The next prime is 4208424113. The reversal of 4208424081 is 1804248024.

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 4208424081 - 210 = 4208423057 is a prime.

It is a super-2 number, since 2×42084240812 = 35421666491081389122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4208424041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701404011 + ... + 701404016.

It is an arithmetic number, because the mean of its divisors is an integer number (1402808028).

Almost surely, 24208424081 is an apocalyptic number.

It is an amenable number.

4208424081 is a deficient number, since it is larger than the sum of its proper divisors (1402808031).

4208424081 is a wasteful number, since it uses less digits than its factorization.

4208424081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402808030.

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 4208424081 is about 64872.3676228947. The cubic root of 4208424081 is about 1614.5066282972.

The spelling of 4208424081 in words is "four billion, two hundred eight million, four hundred twenty-four thousand, eighty-one".

Divisors: 1 3 1402808027 4208424081