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14248390 = 251328431
BaseRepresentation
bin110110010110…
…100111000110
3222210220010011
4312112213012
512121422030
61225220434
7232052332
oct66264706
928726104
1014248390
118052032
12493171a
132c4b500
141c6c7c2
1513b6b2a
hexd969c6

14248390 has 24 divisors (see below), whose sum is σ = 27775008. Its totient is φ = 5260320.

The previous prime is 14248387. The next prime is 14248391. The reversal of 14248390 is 9384241.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14248391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2526 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (1157292).

Almost surely, 214248390 is an apocalyptic number.

14248390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14248390 is a deficient number, since it is larger than the sum of its proper divisors (13526618).

14248390 is a wasteful number, since it uses less digits than its factorization.

14248390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464 (or 8451 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 14248390 is about 3774.7039619022. The cubic root of 14248390 is about 242.4312484449.

The spelling of 14248390 in words is "fourteen million, two hundred forty-eight thousand, three hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 8431 16862 42155 84310 109603 219206 548015 1096030 1424839 2849678 7124195 14248390