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19282146 = 2313435749
BaseRepresentation
bin100100110001…
…1100011100010
31100021122010120
41021203203202
514414012041
61525141110
7322616112
oct111434342
940248116
1019282146
11a97aa64
12655a796
133cc1770
1427bd042
151a5d366
hex12638e2

19282146 has 32 divisors (see below), whose sum is σ = 42504000. Its totient is φ = 5793984.

The previous prime is 19282139. The next prime is 19282157. The reversal of 19282146 is 64128291.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (1328250).

Almost surely, 219282146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19282146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21252000).

19282146 is an abundant number, since it is smaller than the sum of its proper divisors (23221854).

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

19282146 is a wasteful number, since it uses less digits than its factorization.

19282146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810.

The product of its digits is 6912, while the sum is 33.

The square root of 19282146 is about 4391.1440422742. The cubic root of 19282146 is about 268.1545203070.

The spelling of 19282146 in words is "nineteen million, two hundred eighty-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 258 559 1118 1677 3354 5749 11498 17247 34494 74737 149474 224211 247207 448422 494414 741621 1483242 3213691 6427382 9641073 19282146