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19484051 = 99119661
BaseRepresentation
bin100101001010…
…0110110010011
31100122220002112
41022110312103
514441442201
61533335535
7324416546
oct112246623
940586075
1019484051
11aaa8724
1266375ab
134062632
14283285d
151a9d0bb
hex1294d93

19484051 has 4 divisors (see below), whose sum is σ = 19504704. Its totient is φ = 19463400.

The previous prime is 19484039. The next prime is 19484053. The reversal of 19484051 is 15048491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15048491 = 137109843.

It is a cyclic number.

It is not a de Polignac number, because 19484051 - 210 = 19483027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19483999 and 19484017.

It is not an unprimeable number, because it can be changed into a prime (19484053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840 + ... + 10821.

It is an arithmetic number, because the mean of its divisors is an integer number (4876176).

Almost surely, 219484051 is an apocalyptic number.

19484051 is a deficient number, since it is larger than the sum of its proper divisors (20653).

19484051 is an equidigital number, since it uses as much as digits as its factorization.

19484051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20652.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 19484051 is about 4414.0741951173. The cubic root of 19484051 is about 269.0872286591.

The spelling of 19484051 in words is "nineteen million, four hundred eighty-four thousand, fifty-one".

Divisors: 1 991 19661 19484051