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19968362 = 282112161
BaseRepresentation
bin100110000101…
…1000101101010
31101120111102222
41030023011222
520102441422
61551554042
7331504541
oct114130552
941514388
1019968362
11102a9587
12682b922
1341a1bcb
14291b158
151b46842
hex130b16a

19968362 has 8 divisors (see below), whose sum is σ = 29991492. Its totient is φ = 9971200.

The previous prime is 19968349. The next prime is 19968379. The reversal of 19968362 is 26386991.

It can be written as a sum of positive squares in 2 ways, for example, as 18671041 + 1297321 = 4321^2 + 1139^2 .

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, 4439 + ... + 7722.

Almost surely, 219968362 is an apocalyptic number.

19968362 is a deficient number, since it is larger than the sum of its proper divisors (10023130).

19968362 is a wasteful number, since it uses less digits than its factorization.

19968362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12984.

The product of its digits is 139968, while the sum is 44.

The square root of 19968362 is about 4468.5973190700. The cubic root of 19968362 is about 271.2985548791.

The spelling of 19968362 in words is "nineteen million, nine hundred sixty-eight thousand, three hundred sixty-two".

Divisors: 1 2 821 1642 12161 24322 9984181 19968362