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14380245 = 32511219139
BaseRepresentation
bin110110110110…
…110011010101
31000001120222200
4312312303111
512140131440
61232115113
7233141625
oct66666325
930046880
1014380245
118132100
124995a99
132c96529
141ca4885
1513e0c30
hexdb6cd5

14380245 has 72 divisors (see below), whose sum is σ = 29047200. Its totient is φ = 6557760.

The previous prime is 14380243. The next prime is 14380253. The reversal of 14380245 is 54208341.

It is not a de Polignac number, because 14380245 - 21 = 14380243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14380241) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 103386 + ... + 103524.

Almost surely, 214380245 is an apocalyptic number.

14380245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14380245 is an abundant number, since it is smaller than the sum of its proper divisors (14666955).

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

14380245 is a wasteful number, since it uses less digits than its factorization.

14380245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 14380245 is about 3792.1293490597. The cubic root of 14380245 is about 243.1767752973.

Adding to 14380245 its reverse (54208341), we get a palindrome (68588586).

The spelling of 14380245 in words is "fourteen million, three hundred eighty thousand, two hundred forty-five".

Divisors: 1 3 5 9 11 15 19 33 45 55 57 95 99 121 139 165 171 209 285 363 417 495 605 627 695 855 1045 1089 1251 1529 1815 1881 2085 2299 2641 3135 4587 5445 6255 6897 7645 7923 9405 11495 13205 13761 16819 20691 22935 23769 29051 34485 39615 50457 68805 84095 87153 103455 118845 145255 151371 252285 261459 319561 435765 756855 958683 1307295 1597805 2876049 4793415 14380245