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14384390 = 252815119
BaseRepresentation
bin110110110111…
…110100000110
31000001210200012
4312313310012
512140300030
61232150222
7233156666
oct66676406
930053605
1014384390
118135229
124998372
132c98397
141ca61a6
1513e2095
hexdb7d06

14384390 has 16 divisors (see below), whose sum is σ = 25989120. Its totient is φ = 5732160.

The previous prime is 14384353. The next prime is 14384393. The reversal of 14384390 is 9348341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14384393) 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, 251 + ... + 5369.

It is an arithmetic number, because the mean of its divisors is an integer number (1624320).

Almost surely, 214384390 is an apocalyptic number.

14384390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14384390 is a deficient number, since it is larger than the sum of its proper divisors (11604730).

14384390 is a wasteful number, since it uses less digits than its factorization.

14384390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 14384390 is about 3792.6758363984. The cubic root of 14384390 is about 243.2001376925.

The spelling of 14384390 in words is "fourteen million, three hundred eighty-four thousand, three hundred ninety".

Divisors: 1 2 5 10 281 562 1405 2810 5119 10238 25595 51190 1438439 2876878 7192195 14384390