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19382000 = 245311881
BaseRepresentation
bin100100111101…
…1111011110000
31100110201002212
41021323323300
514430211000
61531231252
7323513201
oct111737360
940421085
1019382000
11aa38a90
1265a8528
134028051
1428075a8
151a7cc35
hex127bef0

19382000 has 80 divisors (see below), whose sum is σ = 51184224. Its totient is φ = 7040000.

The previous prime is 19381997. The next prime is 19382017. The reversal of 19382000 is 28391.

It is a tau number, because it is divible by the number of its divisors (80).

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, 21560 + ... + 22440.

Almost surely, 219382000 is an apocalyptic number.

19382000 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 19382000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25592112).

19382000 is an abundant number, since it is smaller than the sum of its proper divisors (31802224).

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

19382000 is a wasteful number, since it uses less digits than its factorization.

19382000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 19382000 is about 4402.4992901760. The cubic root of 19382000 is about 268.6166094849.

The spelling of 19382000 in words is "nineteen million, three hundred eighty-two thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 880 881 1000 1100 1375 1762 2000 2200 2750 3524 4400 4405 5500 7048 8810 9691 11000 14096 17620 19382 22000 22025 35240 38764 44050 48455 70480 77528 88100 96910 110125 155056 176200 193820 220250 242275 352400 387640 440500 484550 775280 881000 969100 1211375 1762000 1938200 2422750 3876400 4845500 9691000 19382000