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28534125 = 35376091
BaseRepresentation
bin110110011011…
…0010101101101
31222200200110110
41230312111231
524301043000
62455330233
7464351604
oct154662555
958620413
1028534125
111511a124
129680979
135bb09c9
143b0aa3b
152789850
hex1b3656d

28534125 has 16 divisors (see below), whose sum is σ = 47481408. Its totient is φ = 15218000.

The previous prime is 28534091. The next prime is 28534133. The reversal of 28534125 is 52143582.

It is not a de Polignac number, because 28534125 - 26 = 28534061 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28534092 and 28534101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37671 + ... + 38420.

It is an arithmetic number, because the mean of its divisors is an integer number (2967588).

Almost surely, 228534125 is an apocalyptic number.

28534125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28534125 is a deficient number, since it is larger than the sum of its proper divisors (18947283).

28534125 is an equidigital number, since it uses as much as digits as its factorization.

28534125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76109 (or 76099 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 28534125 is about 5341.7342689430. The cubic root of 28534125 is about 305.5776029393.

The spelling of 28534125 in words is "twenty-eight million, five hundred thirty-four thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 76091 228273 380455 1141365 1902275 5706825 9511375 28534125