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25384375 = 558123
BaseRepresentation
bin110000011010…
…1010110110111
31202202122211001
41200311112313
522444300000
62304024131
7425522632
oct140652667
952678731
1025384375
1113368725
128602047
13534a153
14352ac19
15236646a
hex18355b7

25384375 has 12 divisors (see below), whose sum is σ = 31732344. Its totient is φ = 20305000.

The previous prime is 25384369. The next prime is 25384391. The reversal of 25384375 is 57348352.

It is not a de Polignac number, because 25384375 - 211 = 25382327 is a prime.

It is a Duffinian number.

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, 937 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (2644362).

Almost surely, 225384375 is an apocalyptic number.

25384375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25384375 is a deficient number, since it is larger than the sum of its proper divisors (6347969).

25384375 is an frugal number, since it uses more digits than its factorization.

25384375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8148 (or 8128 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 25384375 is about 5038.2908808444. The cubic root of 25384375 is about 293.8927177328.

It can be divided in two parts, 25 and 384375, that added together give a square (384400 = 6202).

The spelling of 25384375 in words is "twenty-five million, three hundred eighty-four thousand, three hundred seventy-five".

Divisors: 1 5 25 125 625 3125 8123 40615 203075 1015375 5076875 25384375