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25873242 = 23107191211
BaseRepresentation
bin110001010110…
…0101101011010
31210200111102020
41202230231122
523110420432
62322315310
7432630123
oct142545532
953614366
1025873242
1113671a4a
1287b8b36
13548b815
14361704a
15241122c
hex18acb5a

25873242 has 32 divisors (see below), whose sum is σ = 52752384. Its totient is φ = 8458800.

The previous prime is 25873241. The next prime is 25873247. The reversal of 25873242 is 24237852.

It is not an unprimeable number, because it can be changed into a prime (25873241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122517 + ... + 122727.

It is an arithmetic number, because the mean of its divisors is an integer number (1648512).

Almost surely, 225873242 is an apocalyptic number.

25873242 is an abundant number, since it is smaller than the sum of its proper divisors (26879142).

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

25873242 is a wasteful number, since it uses less digits than its factorization.

25873242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its digits is 26880, while the sum is 33.

The square root of 25873242 is about 5086.5746824361. The cubic root of 25873242 is about 295.7673863362.

The spelling of 25873242 in words is "twenty-five million, eight hundred seventy-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 107 191 211 214 321 382 422 573 633 642 1146 1266 20437 22577 40301 40874 45154 61311 67731 80602 120903 122622 135462 241806 4312207 8624414 12936621 25873242