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25942006 = 218171663
BaseRepresentation
bin110001011110…
…1011111110110
31210210222202001
41202331133312
523120121011
62324005514
7433334446
oct142753766
953728661
1025942006
1113709682
12883089a
1354b3bcc
143634126
1524267c1
hex18bd7f6

25942006 has 8 divisors (see below), whose sum is σ = 39128544. Its totient is φ = 12899160.

The previous prime is 25941997. The next prime is 25942093. The reversal of 25942006 is 60024952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×259420064 (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35470 + ... + 36193.

It is an arithmetic number, because the mean of its divisors is an integer number (4891068).

Almost surely, 225942006 is an apocalyptic number.

25942006 is a deficient number, since it is larger than the sum of its proper divisors (13186538).

25942006 is a wasteful number, since it uses less digits than its factorization.

25942006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71846.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25942006 is about 5093.3295593354. The cubic root of 25942006 is about 296.0291774866.

Adding to 25942006 its reverse (60024952), we get a palindrome (85966958).

The spelling of 25942006 in words is "twenty-five million, nine hundred forty-two thousand, six".

Divisors: 1 2 181 362 71663 143326 12971003 25942006