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419483821 = 2318238427
BaseRepresentation
bin11001000000001…
…101000010101101
31002020022222121211
4121000031002231
51324341440241
6105342554421
713252360621
oct3100150255
91066288554
10419483821
111a5873449
12b8598a11
1368ba3aa3
143d9d7181
1526c61781
hex1900d0ad

419483821 has 4 divisors (see below), whose sum is σ = 437722272. Its totient is φ = 401245372.

The previous prime is 419483809. The next prime is 419483839. The reversal of 419483821 is 128384914.

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 419483821 - 27 = 419483693 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419483021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9119191 + ... + 9119236.

It is an arithmetic number, because the mean of its divisors is an integer number (109430568).

Almost surely, 2419483821 is an apocalyptic number.

It is an amenable number.

419483821 is a deficient number, since it is larger than the sum of its proper divisors (18238451).

419483821 is a wasteful number, since it uses less digits than its factorization.

419483821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18238450.

The product of its digits is 55296, while the sum is 40.

The square root of 419483821 is about 20481.3041821072. The cubic root of 419483821 is about 748.5803194087.

The spelling of 419483821 in words is "four hundred nineteen million, four hundred eighty-three thousand, eight hundred twenty-one".

Divisors: 1 23 18238427 419483821