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19520114 = 2175691009
BaseRepresentation
bin100101001110…
…1101001110010
31100201201120012
41022131221302
514444120424
61534214522
7324626645
oct112355162
940651505
1019520114
1110022829
126654442
134075b83
142841a5c
151aa8b0e
hex129da72

19520114 has 16 divisors (see below), whose sum is σ = 31087800. Its totient is φ = 9160704.

The previous prime is 19520113. The next prime is 19520147. The reversal of 19520114 is 41102591.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14569489 + 4950625 = 3817^2 + 2225^2 .

It is a Curzon number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 19520114.

It is not an unprimeable number, because it can be changed into a prime (19520113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18842 + ... + 19850.

Almost surely, 219520114 is an apocalyptic number.

19520114 is a deficient number, since it is larger than the sum of its proper divisors (11567686).

19520114 is a wasteful number, since it uses less digits than its factorization.

19520114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 19520114 is about 4418.1573081999. The cubic root of 19520114 is about 269.2531440494.

The spelling of 19520114 in words is "nineteen million, five hundred twenty thousand, one hundred fourteen".

Divisors: 1 2 17 34 569 1009 1138 2018 9673 17153 19346 34306 574121 1148242 9760057 19520114