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19030084 = 224757521
BaseRepresentation
bin100100010011…
…0000001000100
31022210211100221
41020212001010
514332430314
61515514124
7320516203
oct110460104
938724327
1019030084
11a818647
126458944
133c33b08
14275523a
151a0d824
hex1226044

19030084 has 6 divisors (see below), whose sum is σ = 33302654. Its totient is φ = 9515040.

The previous prime is 19030049. The next prime is 19030111. The reversal of 19030084 is 48003091.

It can be written as a sum of positive squares in only one way, i.e., 18922500 + 107584 = 4350^2 + 328^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2378757 + ... + 2378764.

Almost surely, 219030084 is an apocalyptic number.

It is an amenable number.

19030084 is a deficient number, since it is larger than the sum of its proper divisors (14272570).

19030084 is a wasteful number, since it uses less digits than its factorization.

19030084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757525 (or 4757523 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 19030084 is about 4362.3484500897. The cubic root of 19030084 is about 266.9809260362.

The spelling of 19030084 in words is "nineteen million, thirty thousand, eighty-four".

Divisors: 1 2 4 4757521 9515042 19030084