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25871996 = 2219477243
BaseRepresentation
bin110001010110…
…0011001111100
31210200102201002
41202230121330
523110400441
62322305432
7432623363
oct142543174
953612632
1025871996
1113671017
1287b8278
13548b097
1436167da
152410b9b
hex18ac67c

25871996 has 24 divisors (see below), whose sum is σ = 48679680. Its totient is φ = 11992752.

The previous prime is 25871981. The next prime is 25871999. The reversal of 25871996 is 69917852.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 25871996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25871999) 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 7 ways as a sum of consecutive naturals, for example, 50 + ... + 7193.

It is an arithmetic number, because the mean of its divisors is an integer number (2028320).

Almost surely, 225871996 is an apocalyptic number.

It is an amenable number.

25871996 is a deficient number, since it is larger than the sum of its proper divisors (22807684).

25871996 is a wasteful number, since it uses less digits than its factorization.

25871996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7313 (or 7311 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 25871996 is about 5086.4522016824. The cubic root of 25871996 is about 295.7626384184.

The spelling of 25871996 in words is "twenty-five million, eight hundred seventy-one thousand, nine hundred ninety-six".

Divisors: 1 2 4 19 38 47 76 94 188 893 1786 3572 7243 14486 28972 137617 275234 340421 550468 680842 1361684 6467999 12935998 25871996