Search a number
-
+
20286325 = 5243113167
BaseRepresentation
bin100110101100…
…0101101110101
31102011122121101
41031120231311
520143130300
62002450101
7334300543
oct115305565
942148541
1020286325
11104a6464
126963931
134283857
1429a0d93
151baab6a
hex1358b75

20286325 has 24 divisors (see below), whose sum is σ = 26123328. Its totient is φ = 15617280.

The previous prime is 20286313. The next prime is 20286353. The reversal of 20286325 is 52368202.

It is not a de Polignac number, because 20286325 - 25 = 20286293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20286293 and 20286302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121392 + ... + 121558.

It is an arithmetic number, because the mean of its divisors is an integer number (1088472).

Almost surely, 220286325 is an apocalyptic number.

20286325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20286325 is a deficient number, since it is larger than the sum of its proper divisors (5837003).

20286325 is a wasteful number, since it uses less digits than its factorization.

20286325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20286325 is about 4504.0343027113. The cubic root of 20286325 is about 272.7309715828.

The spelling of 20286325 in words is "twenty million, two hundred eighty-six thousand, three hundred twenty-five".

Divisors: 1 5 25 43 113 167 215 565 835 1075 2825 4175 4859 7181 18871 24295 35905 94355 121475 179525 471775 811453 4057265 20286325