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14390507 = 47532109
BaseRepresentation
bin110110111001…
…010011101011
31000002010001202
4312321103223
512140444012
61232234415
7233213555
oct66712353
930063052
1014390507
11813988a
12499ba0b
132c9b0c1
141ca84d5
1513e3cc2
hexdb94eb

14390507 has 12 divisors (see below), whose sum is σ = 15116640. Its totient is φ = 13691808.

The previous prime is 14390501. The next prime is 14390527. The reversal of 14390507 is 70509341.

It is not a de Polignac number, because 14390507 - 24 = 14390491 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14390507.

It is not an unprimeable number, because it can be changed into a prime (14390501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131969 + ... + 132077.

It is an arithmetic number, because the mean of its divisors is an integer number (1259720).

Almost surely, 214390507 is an apocalyptic number.

14390507 is a deficient number, since it is larger than the sum of its proper divisors (726133).

14390507 is an equidigital number, since it uses as much as digits as its factorization.

14390507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 14390507 is about 3793.4821734127. The cubic root of 14390507 is about 243.2346066415.

Adding to 14390507 its reverse (70509341), we get a palindrome (84899848).

The spelling of 14390507 in words is "fourteen million, three hundred ninety thousand, five hundred seven".

Divisors: 1 47 53 109 2491 2809 5123 5777 132023 271519 306181 14390507