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16005053 = 37432569
BaseRepresentation
bin111101000011…
…011110111101
31010010010210202
4331003132331
513044130203
61331013245
7253016651
oct75033675
933103722
1016005053
119041919
12543a225
133414c5c
1421a8a61
151612388
hexf437bd

16005053 has 4 divisors (see below), whose sum is σ = 16437660. Its totient is φ = 15572448.

The previous prime is 16005043. The next prime is 16005091. The reversal of 16005053 is 35050061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35050061 = 174720063.

It can be written as a sum of positive squares in 2 ways, for example, as 9229444 + 6775609 = 3038^2 + 2603^2 .

It is a cyclic number.

It is not a de Polignac number, because 16005053 - 24 = 16005037 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 (16005023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216248 + ... + 216321.

It is an arithmetic number, because the mean of its divisors is an integer number (4109415).

Almost surely, 216005053 is an apocalyptic number.

It is an amenable number.

16005053 is a deficient number, since it is larger than the sum of its proper divisors (432607).

16005053 is an equidigital number, since it uses as much as digits as its factorization.

16005053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432606.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 16005053 is about 4000.6315751391. The cubic root of 16005053 is about 252.0107337748.

The spelling of 16005053 in words is "sixteen million, five thousand, fifty-three".

Divisors: 1 37 432569 16005053