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16380422 = 28190211
BaseRepresentation
bin111110011111…
…001000000110
31010211012201022
4332133020012
513143133142
61343031142
7256142222
oct76371006
933735638
1016380422
119278943
12559b4b2
133516a76
142265782
1516886d2
hexf9f206

16380422 has 4 divisors (see below), whose sum is σ = 24570636. Its totient is φ = 8190210.

The previous prime is 16380383. The next prime is 16380437. The reversal of 16380422 is 22408361.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 16380391 and 16380400.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4095104 + ... + 4095107.

It is an arithmetic number, because the mean of its divisors is an integer number (6142659).

Almost surely, 216380422 is an apocalyptic number.

16380422 is a deficient number, since it is larger than the sum of its proper divisors (8190214).

16380422 is an equidigital number, since it uses as much as digits as its factorization.

16380422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190213.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 16380422 is about 4047.2734031691. The cubic root of 16380422 is about 253.9656782939.

Adding to 16380422 its reverse (22408361), we get a palindrome (38788783).

The spelling of 16380422 in words is "sixteen million, three hundred eighty thousand, four hundred twenty-two".

Divisors: 1 2 8190211 16380422