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19350942 = 2313248089
BaseRepresentation
bin100100111010…
…0010110011110
31100102010111120
41021310112132
514423212232
61530431410
7323323512
oct111642636
940363446
1019350942
11aa17716
126592566
134016b80
1427da142
151a7392c
hex127459e

19350942 has 16 divisors (see below), whose sum is σ = 41679120. Its totient is φ = 5954112.

The previous prime is 19350937. The next prime is 19350967. The reversal of 19350942 is 24905391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123967 + ... + 124122.

It is an arithmetic number, because the mean of its divisors is an integer number (2604945).

Almost surely, 219350942 is an apocalyptic number.

19350942 is an abundant number, since it is smaller than the sum of its proper divisors (22328178).

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

19350942 is a wasteful number, since it uses less digits than its factorization.

19350942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248107.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 19350942 is about 4398.9705613927. The cubic root of 19350942 is about 268.4730543860.

The spelling of 19350942 in words is "nineteen million, three hundred fifty thousand, nine hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 248089 496178 744267 1488534 3225157 6450314 9675471 19350942