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13284514 = 217390721
BaseRepresentation
bin110010101011…
…010010100010
3220222220221001
4302223102202
511400101024
61152422214
7220626235
oct62532242
926886831
1013284514
117553941
12454796a
1329a1879
141a9b41c
151276244
hexcab4a2

13284514 has 8 divisors (see below), whose sum is σ = 21098988. Its totient is φ = 6251520.

The previous prime is 13284473. The next prime is 13284521. The reversal of 13284514 is 41548231.

It can be written as a sum of positive squares in 2 ways, for example, as 13213225 + 71289 = 3635^2 + 267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 195327 + ... + 195394.

Almost surely, 213284514 is an apocalyptic number.

13284514 is a deficient number, since it is larger than the sum of its proper divisors (7814474).

13284514 is a wasteful number, since it uses less digits than its factorization.

13284514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390740.

The product of its digits is 3840, while the sum is 28.

The square root of 13284514 is about 3644.7927238733. The cubic root of 13284514 is about 236.8364577609.

The spelling of 13284514 in words is "thirteen million, two hundred eighty-four thousand, five hundred fourteen".

Divisors: 1 2 17 34 390721 781442 6642257 13284514