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16245361 = 111924091
BaseRepresentation
bin111101111110…
…001001110001
31010120100110001
4331332021301
513124322421
61340110001
7255040366
oct75761161
933510401
1016245361
119196420
125535301
13349a452
14222c46d
15165d691
hexf7e271

16245361 has 12 divisors (see below), whose sum is σ = 18708624. Its totient is φ = 13987800.

The previous prime is 16245349. The next prime is 16245371. The reversal of 16245361 is 16354261.

It is not a de Polignac number, because 16245361 - 25 = 16245329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16245311) 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, 1926 + ... + 6016.

It is an arithmetic number, because the mean of its divisors is an integer number (1559052).

Almost surely, 216245361 is an apocalyptic number.

16245361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16245361 is a deficient number, since it is larger than the sum of its proper divisors (2463263).

16245361 is a wasteful number, since it uses less digits than its factorization.

16245361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140 (or 4121 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 16245361 is about 4030.5534359440. The cubic root of 16245361 is about 253.2657458587.

Subtracting 16245361 from its reverse (16354261), we obtain a square (108900 = 3302).

The spelling of 16245361 in words is "sixteen million, two hundred forty-five thousand, three hundred sixty-one".

Divisors: 1 11 19 209 361 3971 4091 45001 77729 855019 1476851 16245361