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16204293 = 34728579
BaseRepresentation
bin111101110100…
…001000000101
31010111021010000
4331310020011
513122014133
61335151513
7254506560
oct75641005
933437100
1016204293
119168586
125515599
133484851
14221b4d7
151651413
hexf74205

16204293 has 20 divisors (see below), whose sum is σ = 27665440. Its totient is φ = 9259272.

The previous prime is 16204277. The next prime is 16204303. The reversal of 16204293 is 39240261.

It is not a de Polignac number, because 16204293 - 24 = 16204277 is a prime.

It is a super-2 number, since 2×162042932 = 525158223259698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16204193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13723 + ... + 14856.

It is an arithmetic number, because the mean of its divisors is an integer number (1383272).

Almost surely, 216204293 is an apocalyptic number.

It is an amenable number.

16204293 is a deficient number, since it is larger than the sum of its proper divisors (11461147).

16204293 is an equidigital number, since it uses as much as digits as its factorization.

16204293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28598 (or 28589 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 16204293 is about 4025.4556263857. The cubic root of 16204293 is about 253.0521485821.

The spelling of 16204293 in words is "sixteen million, two hundred four thousand, two hundred ninety-three".

Divisors: 1 3 7 9 21 27 63 81 189 567 28579 85737 200053 257211 600159 771633 1800477 2314899 5401431 16204293