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14385040 = 245179813
BaseRepresentation
bin110110110111…
…111110010000
31000001211120021
4312313332100
512140310130
61232153224
7233161615
oct66677620
930054507
1014385040
11813576a
124998814
132c98777
141ca650c
1513e237a
hexdb7f90

14385040 has 20 divisors (see below), whose sum is σ = 33445404. Its totient is φ = 5753984.

The previous prime is 14385029. The next prime is 14385047. The reversal of 14385040 is 4058341.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 8928144 = 2336^2 + 2988^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 14384996 and 14385014.

It is not an unprimeable number, because it can be changed into a prime (14385047) 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, 89827 + ... + 89986.

Almost surely, 214385040 is an apocalyptic number.

14385040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14385040 is an abundant number, since it is smaller than the sum of its proper divisors (19060364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14385040 is a wasteful number, since it uses less digits than its factorization.

14385040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179826 (or 179820 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 14385040 is about 3792.7615269089. The cubic root of 14385040 is about 243.2038008697.

The spelling of 14385040 in words is "fourteen million, three hundred eighty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 179813 359626 719252 899065 1438504 1798130 2877008 3596260 7192520 14385040