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18001348 = 2243104659
BaseRepresentation
bin100010010101…
…0110111000100
31020212120012121
41010222313010
514102020343
61441455324
7306003031
oct104526704
936776177
1018001348
11a185752
126041544
1339637b1
142568388
1518a8aed
hex112adc4

18001348 has 12 divisors (see below), whose sum is σ = 32235280. Its totient is φ = 8791272.

The previous prime is 18001343. The next prime is 18001349. The reversal of 18001348 is 84310081.

It is not an unprimeable number, because it can be changed into a prime (18001343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52158 + ... + 52501.

Almost surely, 218001348 is an apocalyptic number.

It is an amenable number.

18001348 is a deficient number, since it is larger than the sum of its proper divisors (14233932).

18001348 is a wasteful number, since it uses less digits than its factorization.

18001348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104706 (or 104704 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18001348 is about 4242.7995474686. The cubic root of 18001348 is about 262.0806814046.

The spelling of 18001348 in words is "eighteen million, one thousand, three hundred forty-eight".

Divisors: 1 2 4 43 86 172 104659 209318 418636 4500337 9000674 18001348