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16093431 = 33596053
BaseRepresentation
bin111101011001…
…000011110111
31010021122001000
4331121003313
513104442211
61332534343
7253535424
oct75310367
933248030
1016093431
1190a2262
1254813b3
133446253
1421ccd4b
15162d656
hexf590f7

16093431 has 8 divisors (see below), whose sum is σ = 23842160. Its totient is φ = 10728936.

The previous prime is 16093421. The next prime is 16093453. The reversal of 16093431 is 13439061.

It is not a de Polignac number, because 16093431 - 27 = 16093303 is a prime.

It is a super-2 number, since 2×160934312 = 517997042703522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 596053 = 16093431 / (1 + 6 + 0 + 9 + 3 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16093395 and 16093404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16093421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298000 + ... + 298053.

It is an arithmetic number, because the mean of its divisors is an integer number (2980270).

Almost surely, 216093431 is an apocalyptic number.

16093431 is a deficient number, since it is larger than the sum of its proper divisors (7748729).

16093431 is an equidigital number, since it uses as much as digits as its factorization.

16093431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596062 (or 596056 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 16093431 is about 4011.6618750837. The cubic root of 16093431 is about 252.4737403662.

The spelling of 16093431 in words is "sixteen million, ninety-three thousand, four hundred thirty-one".

Divisors: 1 3 9 27 596053 1788159 5364477 16093431