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19099828 = 2211434087
BaseRepresentation
bin100100011011…
…1000010110100
31022221101001001
41020313002310
514342143303
61521213044
7321226426
oct110670264
938841031
1019099828
11a865a90
126491184
133c59797
142772816
151a2431d
hex12370b4

19099828 has 12 divisors (see below), whose sum is σ = 36463392. Its totient is φ = 8681720.

The previous prime is 19099819. The next prime is 19099831. The reversal of 19099828 is 82899091.

It is a happy number.

It is a congruent number.

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, 217000 + ... + 217087.

It is an arithmetic number, because the mean of its divisors is an integer number (3038616).

Almost surely, 219099828 is an apocalyptic number.

It is an amenable number.

19099828 is a deficient number, since it is larger than the sum of its proper divisors (17363564).

19099828 is a wasteful number, since it uses less digits than its factorization.

19099828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434102 (or 434100 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 19099828 is about 4370.3349986014. The cubic root of 19099828 is about 267.3066842146.

The spelling of 19099828 in words is "nineteen million, ninety-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 4 11 22 44 434087 868174 1736348 4774957 9549914 19099828