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25985104 = 241624069
BaseRepresentation
bin110001100100…
…0000001010000
31210220011212021
41203020001100
523123010404
62324541224
7433604215
oct143100120
953804767
1025985104
1113738aa2
128851814
1354ca702
143645b0c
152434454
hex18c8050

25985104 has 10 divisors (see below), whose sum is σ = 50346170. Its totient is φ = 12992544.

The previous prime is 25985087. The next prime is 25985107. The reversal of 25985104 is 40158952.

It can be written as a sum of positive squares in only one way, i.e., 25522704 + 462400 = 5052^2 + 680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25985104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25985107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812019 + ... + 812050.

It is an arithmetic number, because the mean of its divisors is an integer number (5034617).

Almost surely, 225985104 is an apocalyptic number.

It is an amenable number.

25985104 is a deficient number, since it is larger than the sum of its proper divisors (24361066).

25985104 is a wasteful number, since it uses less digits than its factorization.

25985104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624077 (or 1624071 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 25985104 is about 5097.5586313450. The cubic root of 25985104 is about 296.1930199540.

The spelling of 25985104 in words is "twenty-five million, nine hundred eighty-five thousand, one hundred four".

Divisors: 1 2 4 8 16 1624069 3248138 6496276 12992552 25985104