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19341620 = 22519232213
BaseRepresentation
bin100100111001…
…0000100110100
31100101122201022
41021302010310
514422412440
61530320312
7323254364
oct111620464
940348638
1019341620
11aa10711
126589098
13401285c
1427d69a4
151a70cb5
hex1272134

19341620 has 48 divisors (see below), whose sum is σ = 44634240. Its totient is φ = 7007616.

The previous prime is 19341593. The next prime is 19341653. The reversal of 19341620 is 2614391.

It is a self number, because there is not a number n which added to its sum of digits gives 19341620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7634 + ... + 9846.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 219341620 is an apocalyptic number.

19341620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19341620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22317120).

19341620 is an abundant number, since it is smaller than the sum of its proper divisors (25292620).

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

19341620 is a wasteful number, since it uses less digits than its factorization.

19341620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 19341620 is about 4397.9108676734. The cubic root of 19341620 is about 268.4299366263.

The spelling of 19341620 in words is "nineteen million, three hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 2213 4370 4426 8740 8852 11065 22130 42047 44260 50899 84094 101798 168188 203596 210235 254495 420470 508990 840940 967081 1017980 1934162 3868324 4835405 9670810 19341620