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19344208 = 241393001
BaseRepresentation
bin100100111001…
…0101101010000
31100101210021011
41021302231100
514423003313
61530340304
7323265052
oct111625520
940353234
1019344208
11aa12654
12658a694
134013aa0
1427d78d2
151a7193d
hex1272b50

19344208 has 20 divisors (see below), whose sum is σ = 40362868. Its totient is φ = 8928000.

The previous prime is 19344187. The next prime is 19344211. The reversal of 19344208 is 80244391.

It can be written as a sum of positive squares in 2 ways, for example, as 9659664 + 9684544 = 3108^2 + 3112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19344208.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 46293 + ... + 46708.

Almost surely, 219344208 is an apocalyptic number.

It is an amenable number.

19344208 is an abundant number, since it is smaller than the sum of its proper divisors (21018660).

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

19344208 is a wasteful number, since it uses less digits than its factorization.

19344208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93022 (or 93016 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 19344208 is about 4398.2050884423. The cubic root of 19344208 is about 268.4419084896.

Adding to 19344208 its reverse (80244391), we get a palindrome (99588599).

The spelling of 19344208 in words is "nineteen million, three hundred forty-four thousand, two hundred eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 93001 186002 372004 744008 1209013 1488016 2418026 4836052 9672104 19344208