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19016828 = 2224119727
BaseRepresentation
bin100100010001…
…0110001111100
31022210011011222
41020202301330
514332014303
61515332512
7320432435
oct110426174
938704158
1019016828
11a809696
126451138
133c2aa7c
14275048c
151a09938
hex1222c7c

19016828 has 12 divisors (see below), whose sum is σ = 33419232. Its totient is φ = 9468480.

The previous prime is 19016819. The next prime is 19016849. The reversal of 19016828 is 82861091.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 8900 + ... + 10827.

It is an arithmetic number, because the mean of its divisors is an integer number (2784936).

Almost surely, 219016828 is an apocalyptic number.

It is an amenable number.

19016828 is a deficient number, since it is larger than the sum of its proper divisors (14402404).

19016828 is a wasteful number, since it uses less digits than its factorization.

19016828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19972 (or 19970 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 19016828 is about 4360.8288203047. The cubic root of 19016828 is about 266.9189203329.

The spelling of 19016828 in words is "nineteen million, sixteen thousand, eight hundred twenty-eight".

Divisors: 1 2 4 241 482 964 19727 39454 78908 4754207 9508414 19016828