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16227031 is a prime number
BaseRepresentation
bin111101111001…
…101011010111
31010112102022011
4331321223113
513123231111
61335445051
7254633062
oct75715327
933472264
1016227031
119183677
125526787
133491cc2
1422258d9
151658021
hexf79ad7

16227031 has 2 divisors, whose sum is σ = 16227032. Its totient is φ = 16227030.

The previous prime is 16227023. The next prime is 16227067. The reversal of 16227031 is 13072261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16227031 - 23 = 16227023 is a prime.

It is a super-2 number, since 2×162270312 = 526633070149922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16226993 and 16227011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16227011) 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 as a sum of consecutive naturals, namely, 8113515 + 8113516.

It is an arithmetic number, because the mean of its divisors is an integer number (8113516).

Almost surely, 216227031 is an apocalyptic number.

16227031 is a deficient number, since it is larger than the sum of its proper divisors (1).

16227031 is an equidigital number, since it uses as much as digits as its factorization.

16227031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 16227031 is about 4028.2789128858. The cubic root of 16227031 is about 253.1704548964.

Adding to 16227031 its reverse (13072261), we get a palindrome (29299292).

The spelling of 16227031 in words is "sixteen million, two hundred twenty-seven thousand, thirty-one".