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19412834 = 271386631
BaseRepresentation
bin100101000001…
…1011101100010
31100112021101212
41022003131202
514432202314
61532030122
7324002120
oct112033542
940467355
1019412834
11aa5a171
126602342
1340390ac
142814910
151a86e3e
hex1283762

19412834 has 8 divisors (see below), whose sum is σ = 33279168. Its totient is φ = 8319780.

The previous prime is 19412807. The next prime is 19412843. The reversal of 19412834 is 43821491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 19412834.

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, 693302 + ... + 693329.

It is an arithmetic number, because the mean of its divisors is an integer number (4159896).

Almost surely, 219412834 is an apocalyptic number.

19412834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19412834 is a deficient number, since it is larger than the sum of its proper divisors (13866334).

19412834 is a wasteful number, since it uses less digits than its factorization.

19412834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386640.

The product of its digits is 6912, while the sum is 32.

The square root of 19412834 is about 4405.9997730368. Note that the first 3 decimals coincide. The cubic root of 19412834 is about 268.7589775981.

It can be divided in two parts, 194 and 12834, that multiplied together give a triangular number (2489796 = T2231).

The spelling of 19412834 in words is "nineteen million, four hundred twelve thousand, eight hundred thirty-four".

Divisors: 1 2 7 14 1386631 2773262 9706417 19412834