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16028493 = 31323107167
BaseRepresentation
bin111101001001…
…001101001101
31010011022221220
4331021031031
513100402433
61331313553
7253145205
oct75111515
933138856
1016028493
119058498
12544b8b9
133422820
1421b3405
1516192b3
hexf4934d

16028493 has 32 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 9290688.

The previous prime is 16028491. The next prime is 16028531. The reversal of 16028493 is 39482061.

It is not a de Polignac number, because 16028493 - 21 = 16028491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16028491) 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 31 ways as a sum of consecutive naturals, for example, 95896 + ... + 96062.

It is an arithmetic number, because the mean of its divisors is an integer number (762048).

Almost surely, 216028493 is an apocalyptic number.

16028493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16028493 is a deficient number, since it is larger than the sum of its proper divisors (8357043).

16028493 is a wasteful number, since it uses less digits than its factorization.

16028493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 16028493 is about 4003.5600407637. The cubic root of 16028493 is about 252.1337001530.

The spelling of 16028493 in words is "sixteen million, twenty-eight thousand, four hundred ninety-three".

Divisors: 1 3 13 23 39 69 107 167 299 321 501 897 1391 2171 2461 3841 4173 6513 7383 11523 17869 31993 49933 53607 95979 149799 232297 410987 696891 1232961 5342831 16028493