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19520034 = 2313723747
BaseRepresentation
bin100101001110…
…1101000100010
31100201201110020
41022131220202
514444120114
61534214310
7324626502
oct112355042
940651406
1019520034
1110022766
126654396
134075b21
142841a02
151aa8aa9
hex129da22

19520034 has 16 divisors (see below), whose sum is σ = 39326688. Its totient is φ = 6458912.

The previous prime is 19520021. The next prime is 19520057. The reversal of 19520034 is 43002591.

It is a super-2 number, since 2×195200342 = 762063454722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19519986 and 19520013.

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 7 ways as a sum of consecutive naturals, for example, 11052 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (2457918).

Almost surely, 219520034 is an apocalyptic number.

19520034 is an abundant number, since it is smaller than the sum of its proper divisors (19806654).

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

19520034 is a wasteful number, since it uses less digits than its factorization.

19520034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23889.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 19520034 is about 4418.1482546424. The cubic root of 19520034 is about 269.2527762189.

The spelling of 19520034 in words is "nineteen million, five hundred twenty thousand, thirty-four".

Divisors: 1 2 3 6 137 274 411 822 23747 47494 71241 142482 3253339 6506678 9760017 19520034