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25872006 = 235477883
BaseRepresentation
bin110001010110…
…0011010000110
31210200102201110
41202230122012
523110401011
62322305450
7432623406
oct142543206
953612643
1025872006
1113671026
1287b8286
13548b0a4
143616806
152410ba6
hex18ac686

25872006 has 16 divisors (see below), whose sum is σ = 51845184. Its totient is φ = 8607144.

The previous prime is 25871999. The next prime is 25872019. The reversal of 25872006 is 60027852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660 + ... + 7223.

It is an arithmetic number, because the mean of its divisors is an integer number (3240324).

Almost surely, 225872006 is an apocalyptic number.

25872006 is an abundant number, since it is smaller than the sum of its proper divisors (25973178).

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

25872006 is a wasteful number, since it uses less digits than its factorization.

25872006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 25872006 is about 5086.4531846858. The cubic root of 25872006 is about 295.7626765243.

Adding to 25872006 its reverse (60027852), we get a palindrome (85899858).

The spelling of 25872006 in words is "twenty-five million, eight hundred seventy-two thousand, six".

Divisors: 1 2 3 6 547 1094 1641 3282 7883 15766 23649 47298 4312001 8624002 12936003 25872006