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28585714 = 249928643
BaseRepresentation
bin110110100001…
…0111011110010
31222210022020011
41231002323302
524304220324
62500405134
7464655163
oct155027362
958708204
1028585714
1115154963
1296a67aa
135bcb331
143b2176a
152799c94
hex1b42ef2

28585714 has 8 divisors (see below), whose sum is σ = 42966000. Its totient is φ = 14263716.

The previous prime is 28585703. The next prime is 28585717. The reversal of 28585714 is 41758582.

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

It is not an unprimeable number, because it can be changed into a prime (28585717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13324 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (5370750).

Almost surely, 228585714 is an apocalyptic number.

28585714 is a deficient number, since it is larger than the sum of its proper divisors (14380286).

28585714 is a wasteful number, since it uses less digits than its factorization.

28585714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29144.

The product of its digits is 89600, while the sum is 40.

The square root of 28585714 is about 5346.5609507421. The cubic root of 28585714 is about 305.7616510094.

The spelling of 28585714 in words is "twenty-eight million, five hundred eighty-five thousand, seven hundred fourteen".

Divisors: 1 2 499 998 28643 57286 14292857 28585714