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16213061 = 19853319
BaseRepresentation
bin111101110110…
…010001000101
31010111201010202
4331312101011
513122304221
61335300245
7254544254
oct75662105
933451122
1016213061
119174127
12551a685
133488837
14222079b
151653d0b
hexf76445

16213061 has 4 divisors (see below), whose sum is σ = 17066400. Its totient is φ = 15359724.

The previous prime is 16213051. The next prime is 16213069. The reversal of 16213061 is 16031261.

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 16213061 - 210 = 16212037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213069) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 426641 + ... + 426678.

It is an arithmetic number, because the mean of its divisors is an integer number (4266600).

Almost surely, 216213061 is an apocalyptic number.

It is an amenable number.

16213061 is a deficient number, since it is larger than the sum of its proper divisors (853339).

16213061 is an equidigital number, since it uses as much as digits as its factorization.

16213061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853338.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 16213061 is about 4026.5445483690. The cubic root of 16213061 is about 253.0977817810.

The spelling of 16213061 in words is "sixteen million, two hundred thirteen thousand, sixty-one".

Divisors: 1 19 853319 16213061