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14390532 = 22321397317
BaseRepresentation
bin110110111001…
…010100000100
31000002010002200
4312321110010
512140444112
61232234500
7233213622
oct66712404
930063080
1014390532
118139902
12499ba30
132c9b110
141ca8512
1513e3cdc
hexdb9504

14390532 has 72 divisors (see below), whose sum is σ = 39702936. Its totient is φ = 4368384.

The previous prime is 14390527. The next prime is 14390533. The reversal of 14390532 is 23509341.

14390532 is a `hidden beast` number, since 1 + 43 + 90 + 532 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 14243076 = 384^2 + 3774^2 .

It is a super-2 number, since 2×143905322 = 414174822486048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14390496 and 14390505.

It is not an unprimeable number, because it can be changed into a prime (14390533) 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 23 ways as a sum of consecutive naturals, for example, 45238 + ... + 45554.

Almost surely, 214390532 is an apocalyptic number.

14390532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14390532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19851468).

14390532 is an abundant number, since it is smaller than the sum of its proper divisors (25312404).

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

14390532 is a wasteful number, since it uses less digits than its factorization.

14390532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 14390532 is about 3793.4854685368. The cubic root of 14390532 is about 243.2347474951.

Adding to 14390532 its reverse (23509341), we get a palindrome (37899873).

The spelling of 14390532 in words is "fourteen million, three hundred ninety thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 97 117 156 194 234 291 317 388 468 582 634 873 951 1164 1261 1268 1746 1902 2522 2853 3492 3783 3804 4121 5044 5706 7566 8242 11349 11412 12363 15132 16484 22698 24726 30749 37089 45396 49452 61498 74178 92247 122996 148356 184494 276741 368988 399737 553482 799474 1106964 1199211 1598948 2398422 3597633 4796844 7195266 14390532