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19141938 = 2321063441
BaseRepresentation
bin100100100000…
…1010100110010
31100000111210200
41021001110302
514400020223
61522140030
7321463254
oct111012462
940014720
1019141938
11a894692
1264b1616
133c729ba
142783cd4
151a31a43
hex1241532

19141938 has 12 divisors (see below), whose sum is σ = 41474238. Its totient is φ = 6380640.

The previous prime is 19141921. The next prime is 19141939. The reversal of 19141938 is 83914191.

It can be written as a sum of positive squares in only one way, i.e., 15233409 + 3908529 = 3903^2 + 1977^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19141939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 531703 + ... + 531738.

Almost surely, 219141938 is an apocalyptic number.

19141938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19141938 is an abundant number, since it is smaller than the sum of its proper divisors (22332300).

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

19141938 is a wasteful number, since it uses less digits than its factorization.

19141938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063449 (or 1063446 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 19141938 is about 4375.1500545696. The cubic root of 19141938 is about 267.5029865448.

The spelling of 19141938 in words is "nineteen million, one hundred forty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 1063441 2126882 3190323 6380646 9570969 19141938