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19480340 = 2251188547
BaseRepresentation
bin100101001001…
…1111100010100
31100122201000002
41022103330110
514441332330
61533310432
7324402665
oct112237424
940581002
1019480340
11aaa5960
126635418
134060a39
14283136c
151a9be45
hex1293f14

19480340 has 24 divisors (see below), whose sum is σ = 44628192. Its totient is φ = 7083680.

The previous prime is 19480337. The next prime is 19480367. The reversal of 19480340 is 4308491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44054 + ... + 44493.

It is an arithmetic number, because the mean of its divisors is an integer number (1859508).

Almost surely, 219480340 is an apocalyptic number.

19480340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19480340 is an abundant number, since it is smaller than the sum of its proper divisors (25147852).

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

19480340 is a wasteful number, since it uses less digits than its factorization.

19480340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88567 (or 88565 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 19480340 is about 4413.6538151513. The cubic root of 19480340 is about 269.0701438118.

The spelling of 19480340 in words is "nineteen million, four hundred eighty thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 88547 177094 354188 442735 885470 974017 1770940 1948034 3896068 4870085 9740170 19480340