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19344080 = 245734543
BaseRepresentation
bin100100111001…
…0101011010000
31100101210002102
41021302223100
514423002310
61530335532
7323264510
oct111625320
940353072
1019344080
11aa12548
12658a5a8
134013a02
1427d7840
151a718a5
hex1272ad0

19344080 has 40 divisors (see below), whose sum is σ = 51401472. Its totient is φ = 6632064.

The previous prime is 19344077. The next prime is 19344089. The reversal of 19344080 is 8044391.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19344089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16712 + ... + 17831.

Almost surely, 219344080 is an apocalyptic number.

19344080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19344080 is an abundant number, since it is smaller than the sum of its proper divisors (32057392).

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

19344080 is a wasteful number, since it uses less digits than its factorization.

19344080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34563 (or 34557 counting only the distinct ones).

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

The square root of 19344080 is about 4398.1905370277. The cubic root of 19344080 is about 268.4413163979.

The spelling of 19344080 in words is "nineteen million, three hundred forty-four thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 34543 69086 138172 172715 241801 276344 345430 483602 552688 690860 967204 1209005 1381720 1934408 2418010 2763440 3868816 4836020 9672040 19344080