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19484057 = 171676863
BaseRepresentation
bin100101001010…
…0110110011001
31100122220002202
41022110312121
514441442212
61533335545
7324416555
oct112246631
940586082
1019484057
11aaa872a
1266375b5
134062638
142832865
151a9d0c2
hex1294d99

19484057 has 8 divisors (see below), whose sum is σ = 20756736. Its totient is φ = 18225472.

The previous prime is 19484053. The next prime is 19484111. The reversal of 19484057 is 75048491.

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

It is a cyclic number.

It is not a de Polignac number, because 19484057 - 22 = 19484053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19484057.

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 7 ways as a sum of consecutive naturals, for example, 593 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (2594592).

Almost surely, 219484057 is an apocalyptic number.

19484057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

19484057 is a deficient number, since it is larger than the sum of its proper divisors (1272679).

19484057 is a wasteful number, since it uses less digits than its factorization.

19484057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 19484057 is about 4414.0748747614. The cubic root of 19484057 is about 269.0872562804.

The spelling of 19484057 in words is "nineteen million, four hundred eighty-four thousand, fifty-seven".

Divisors: 1 17 167 2839 6863 116671 1146121 19484057