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19531482 = 233255247
BaseRepresentation
bin100101010000…
…0011011011010
31100202022011020
41022200123122
520000001412
61534343310
7325005045
oct112403332
940668136
1019531482
1110030323
12665ab36
13407b0b9
142845c5c
151aac18c
hex12a06da

19531482 has 8 divisors (see below), whose sum is σ = 39062976. Its totient is φ = 6510492.

The previous prime is 19531441. The next prime is 19531493. The reversal of 19531482 is 28413591.

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

19531482 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1627618 + ... + 1627629.

It is an arithmetic number, because the mean of its divisors is an integer number (4882872).

Almost surely, 219531482 is an apocalyptic number.

19531482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19531482 is a wasteful number, since it uses less digits than its factorization.

19531482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255252.

The product of its digits is 8640, while the sum is 33.

The square root of 19531482 is about 4419.4436301417. The cubic root of 19531482 is about 269.3054025513.

The spelling of 19531482 in words is "nineteen million, five hundred thirty-one thousand, four hundred eighty-two".

Divisors: 1 2 3 6 3255247 6510494 9765741 19531482