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13485649 = 193719183
BaseRepresentation
bin110011011100…
…011001010001
3221101010211111
4303130121101
511423020044
61201013321
7222424522
oct63343121
927333744
1013485649
117680a71
124624241
132a42298
141b10849
1512b5b34
hexcdc651

13485649 has 8 divisors (see below), whose sum is σ = 14579840. Its totient is φ = 12429936.

The previous prime is 13485623. The next prime is 13485671. The reversal of 13485649 is 94658431.

13485649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13485649 - 223 = 5097041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13485049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8889 + ... + 10294.

It is an arithmetic number, because the mean of its divisors is an integer number (1822480).

Almost surely, 213485649 is an apocalyptic number.

13485649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13485649 is a deficient number, since it is larger than the sum of its proper divisors (1094191).

13485649 is a wasteful number, since it uses less digits than its factorization.

13485649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19239.

The product of its digits is 103680, while the sum is 40.

The square root of 13485649 is about 3672.2811711523. The cubic root of 13485649 is about 238.0257545747.

The spelling of 13485649 in words is "thirteen million, four hundred eighty-five thousand, six hundred forty-nine".

Divisors: 1 19 37 703 19183 364477 709771 13485649