Search a number
-
+
28058325 = 352374111
BaseRepresentation
bin110101100001…
…0001011010101
31221210111210020
41223002023111
524140331300
62441215353
7460330461
oct153021325
957714706
1028058325
11149246a9
129491559
135a75279
143a254a1
1526e38a0
hex1ac22d5

28058325 has 12 divisors (see below), whose sum is σ = 46389888. Its totient is φ = 14964400.

The previous prime is 28058311. The next prime is 28058357. The reversal of 28058325 is 52385082.

It is not a de Polignac number, because 28058325 - 25 = 28058293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186981 + ... + 187130.

It is an arithmetic number, because the mean of its divisors is an integer number (3865824).

Almost surely, 228058325 is an apocalyptic number.

28058325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28058325 is a deficient number, since it is larger than the sum of its proper divisors (18331563).

28058325 is a wasteful number, since it uses less digits than its factorization.

28058325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374124 (or 374119 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 28058325 is about 5297.0109495828. The cubic root of 28058325 is about 303.8695950674.

The spelling of 28058325 in words is "twenty-eight million, fifty-eight thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 374111 1122333 1870555 5611665 9352775 28058325