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16285493 = 721632039
BaseRepresentation
bin111110000111…
…111100110101
31010122101111102
4332013330311
513132113433
61341015445
7255265400
oct76077465
933571442
1016285493
119213594
125554585
1334b27b3
14223cd37
15166a4e8
hexf87f35

16285493 has 12 divisors (see below), whose sum is σ = 19069920. Its totient is φ = 13866552.

The previous prime is 16285481. The next prime is 16285517. The reversal of 16285493 is 39458261.

It is a happy number.

It is not a de Polignac number, because 16285493 - 28 = 16285237 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16285463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6968 + ... + 9006.

It is an arithmetic number, because the mean of its divisors is an integer number (1589160).

Almost surely, 216285493 is an apocalyptic number.

It is an amenable number.

16285493 is a deficient number, since it is larger than the sum of its proper divisors (2784427).

16285493 is a wasteful number, since it uses less digits than its factorization.

16285493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2209 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 16285493 is about 4035.5288377114. The cubic root of 16285493 is about 253.4741274540.

The spelling of 16285493 in words is "sixteen million, two hundred eighty-five thousand, four hundred ninety-three".

Divisors: 1 7 49 163 1141 2039 7987 14273 99911 332357 2326499 16285493