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2485989 = 321125111
BaseRepresentation
bin1001011110111011100101
311200022010200
421132323211
51114022424
6125141113
730062532
oct11367345
94608120
102485989
111448840
129ba799
136906cc
14489d89
153418c9
hex25eee5

2485989 has 12 divisors (see below), whose sum is σ = 3917472. Its totient is φ = 1506600.

The previous prime is 2485949. The next prime is 2485991. The reversal of 2485989 is 9895842.

It is not a de Polignac number, because 2485989 - 28 = 2485733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12457 + ... + 12654.

It is an arithmetic number, because the mean of its divisors is an integer number (326456).

22485989 is an apocalyptic number.

It is an amenable number.

2485989 is a deficient number, since it is larger than the sum of its proper divisors (1431483).

2485989 is a wasteful number, since it uses less digits than its factorization.

2485989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25128 (or 25125 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 2485989 is about 1576.7019375900. The cubic root of 2485989 is about 135.4668609926.

The spelling of 2485989 in words is "two million, four hundred eighty-five thousand, nine hundred eighty-nine".

Divisors: 1 3 9 11 33 99 25111 75333 225999 276221 828663 2485989