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16244131 = 131124001
BaseRepresentation
bin111101111101…
…110110100011
31010120021202111
4331331312203
513124303011
61340100151
7255033661
oct75756643
933507674
1016244131
119195502
125534657
133499a17
14222bc31
15165d121
hexf7dda3

16244131 has 4 divisors (see below), whose sum is σ = 16368264. Its totient is φ = 16120000.

The previous prime is 16244119. The next prime is 16244143. The reversal of 16244131 is 13144261.

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

It is an interprime number because it is at equal distance from previous prime (16244119) and next prime (16244143).

It is a cyclic number.

It is not a de Polignac number, because 16244131 - 25 = 16244099 is a prime.

It is a super-2 number, since 2×162441312 = 527743583890322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16244101) 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, 61870 + ... + 62131.

It is an arithmetic number, because the mean of its divisors is an integer number (4092066).

Almost surely, 216244131 is an apocalyptic number.

16244131 is a deficient number, since it is larger than the sum of its proper divisors (124133).

16244131 is a wasteful number, since it uses less digits than its factorization.

16244131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124132.

The product of its digits is 576, while the sum is 22.

The square root of 16244131 is about 4030.4008485509. The cubic root of 16244131 is about 253.2593537830.

Adding to 16244131 its reverse (13144261), we get a palindrome (29388392).

The spelling of 16244131 in words is "sixteen million, two hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 131 124001 16244131