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14388040 = 235359701
BaseRepresentation
bin110110111000…
…101101001000
31000001222200101
4312320231020
512140404130
61232215144
7233203432
oct66705510
930058611
1014388040
118137a47
12499a4b4
132c99c44
141ca7652
1513e31ca
hexdb8b48

14388040 has 16 divisors (see below), whose sum is σ = 32373180. Its totient is φ = 5755200.

The previous prime is 14388037. The next prime is 14388083. The reversal of 14388040 is 4088341.

14388040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13351716 + 1036324 = 3654^2 + 1018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179811 + ... + 179890.

Almost surely, 214388040 is an apocalyptic number.

14388040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14388040 is an abundant number, since it is smaller than the sum of its proper divisors (17985140).

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

14388040 is a wasteful number, since it uses less digits than its factorization.

14388040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359712 (or 359708 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 14388040 is about 3793.1569964872. The cubic root of 14388040 is about 243.2207064116.

The spelling of 14388040 in words is "fourteen million, three hundred eighty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 359701 719402 1438804 1798505 2877608 3597010 7194020 14388040