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16230133 = 59275087
BaseRepresentation
bin111101111010…
…011011110101
31010112120120001
4331322123311
513123331013
61335511301
7254645113
oct75723365
933476501
1016230133
119185a37
125528531
13349353a
142226ab3
151658ddd
hexf7a6f5

16230133 has 4 divisors (see below), whose sum is σ = 16505280. Its totient is φ = 15954988.

The previous prime is 16230127. The next prime is 16230173. The reversal of 16230133 is 33103261.

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 16230133 - 25 = 16230101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16230133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16230113) 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, 137485 + ... + 137602.

It is an arithmetic number, because the mean of its divisors is an integer number (4126320).

Almost surely, 216230133 is an apocalyptic number.

It is an amenable number.

16230133 is a deficient number, since it is larger than the sum of its proper divisors (275147).

16230133 is an equidigital number, since it uses as much as digits as its factorization.

16230133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275146.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 16230133 is about 4028.6639224438. The cubic root of 16230133 is about 253.1865861019.

Adding to 16230133 its reverse (33103261), we get a palindrome (49333394).

The spelling of 16230133 in words is "sixteen million, two hundred thirty thousand, one hundred thirty-three".

Divisors: 1 59 275087 16230133