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25785852 = 2232393427
BaseRepresentation
bin110001001011…
…1010111111100
31210112001112120
41202113113330
523100121402
62320402540
7432114261
oct142272774
953461476
1025785852
1113612324
128776450
13545ab01
1435d3268
1523e53bc
hex18975fc

25785852 has 24 divisors (see below), whose sum is σ = 62783616. Its totient is φ = 8221488.

The previous prime is 25785841. The next prime is 25785857. The reversal of 25785852 is 25858752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25785857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46438 + ... + 46989.

It is an arithmetic number, because the mean of its divisors is an integer number (2615984).

Almost surely, 225785852 is an apocalyptic number.

It is an amenable number.

25785852 is an abundant number, since it is smaller than the sum of its proper divisors (36997764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25785852 is a wasteful number, since it uses less digits than its factorization.

25785852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93457 (or 93455 counting only the distinct ones).

The product of its digits is 224000, while the sum is 42.

The square root of 25785852 is about 5077.9771563094. The cubic root of 25785852 is about 295.4340140282.

Subtracting 25785852 from its reverse (25858752), we obtain a square (72900 = 2702).

The spelling of 25785852 in words is "twenty-five million, seven hundred eighty-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 93427 186854 280281 373708 560562 1121124 2148821 4297642 6446463 8595284 12892926 25785852