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19731414 = 234180209
BaseRepresentation
bin100101101000…
…1001111010110
31101010110102010
41023101033112
520022401124
61542525050
7326466663
oct113211726
941113363
1019731414
111015755a
126736786
13411b0c1
142898a6a
151aeb529
hex12d13d6

19731414 has 16 divisors (see below), whose sum is σ = 40425840. Its totient is φ = 6416640.

The previous prime is 19731409. The next prime is 19731421. The reversal of 19731414 is 41413791.

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, 39859 + ... + 40350.

It is an arithmetic number, because the mean of its divisors is an integer number (2526615).

Almost surely, 219731414 is an apocalyptic number.

19731414 is an abundant number, since it is smaller than the sum of its proper divisors (20694426).

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

19731414 is a wasteful number, since it uses less digits than its factorization.

19731414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80255.

The product of its digits is 3024, while the sum is 30.

The square root of 19731414 is about 4442.0056280919. The cubic root of 19731414 is about 270.2211904881.

The spelling of 19731414 in words is "nineteen million, seven hundred thirty-one thousand, four hundred fourteen".

Divisors: 1 2 3 6 41 82 123 246 80209 160418 240627 481254 3288569 6577138 9865707 19731414