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16087325 = 52643493
BaseRepresentation
bin111101010111…
…100100011101
31010021022122212
4331113210131
513104243300
61332450205
7253511552
oct75274435
933238585
1016087325
119098711
125479965
133443537
1421caa29
15162b935
hexf5791d

16087325 has 6 divisors (see below), whose sum is σ = 19948314. Its totient is φ = 12869840.

The previous prime is 16087297. The next prime is 16087333. The reversal of 16087325 is 52378061.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5466244 + 10621081 = 2338^2 + 3259^2 .

It is not a de Polignac number, because 16087325 - 212 = 16083229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16087291 and 16087300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321722 + ... + 321771.

It is an arithmetic number, because the mean of its divisors is an integer number (3324719).

Almost surely, 216087325 is an apocalyptic number.

It is an amenable number.

16087325 is a deficient number, since it is larger than the sum of its proper divisors (3860989).

16087325 is an equidigital number, since it uses as much as digits as its factorization.

16087325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643503 (or 643498 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 16087325 is about 4010.9007716472. The cubic root of 16087325 is about 252.4418060185.

The spelling of 16087325 in words is "sixteen million, eighty-seven thousand, three hundred twenty-five".

Divisors: 1 5 25 643493 3217465 16087325