Search a number
-
+
19434325 = 52777373
BaseRepresentation
bin100101000100…
…0101101010101
31100120100212211
41022020231111
514433344300
61532313421
7324121561
oct112105525
940510784
1019434325
11aa74329
126612871
134045b01
14281c6a1
151a8d4ba
hex1288b55

19434325 has 6 divisors (see below), whose sum is σ = 24098594. Its totient is φ = 15547440.

The previous prime is 19434293. The next prime is 19434329. The reversal of 19434325 is 52343491.

It can be written as a sum of positive squares in 3 ways, for example, as 3104644 + 16329681 = 1762^2 + 4041^2 .

It is not a de Polignac number, because 19434325 - 25 = 19434293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19434329) 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 5 ways as a sum of consecutive naturals, for example, 388662 + ... + 388711.

Almost surely, 219434325 is an apocalyptic number.

It is an amenable number.

19434325 is a deficient number, since it is larger than the sum of its proper divisors (4664269).

19434325 is an equidigital number, since it uses as much as digits as its factorization.

19434325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777383 (or 777378 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 19434325 is about 4408.4379319664. The cubic root of 19434325 is about 268.8581176668.

The spelling of 19434325 in words is "nineteen million, four hundred thirty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 777373 3886865 19434325