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14538378 = 232818623
BaseRepresentation
bin110111011101…
…011010001010
31000100121220110
4313131122022
512210212003
61235335150
7234400641
oct67353212
930317813
1014538378
11822a998
124a514b6
1330204ba
141d06358
151422a03
hexddd68a

14538378 has 16 divisors (see below), whose sum is σ = 29183616. Its totient is φ = 4828320.

The previous prime is 14538361. The next prime is 14538379. The reversal of 14538378 is 87383541.

It is a super-2 number, since 2×145383782 = 422728869741768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14538379) 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, 2626 + ... + 5997.

It is an arithmetic number, because the mean of its divisors is an integer number (1823976).

Almost surely, 214538378 is an apocalyptic number.

14538378 is an abundant number, since it is smaller than the sum of its proper divisors (14645238).

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

14538378 is a wasteful number, since it uses less digits than its factorization.

14538378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8909.

The product of its digits is 80640, while the sum is 39.

The square root of 14538378 is about 3812.9225011794. The cubic root of 14538378 is about 244.0648958441.

The spelling of 14538378 in words is "fourteen million, five hundred thirty-eight thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 281 562 843 1686 8623 17246 25869 51738 2423063 4846126 7269189 14538378