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19106804 = 2216728603
BaseRepresentation
bin100100011100…
…0101111110100
31022221201121102
41020320233310
514342404204
61521305232
7321255653
oct110705764
938851542
1019106804
11a870252
126495218
133c5ca02
14277519a
151a2641e
hex1238bf4

19106804 has 12 divisors (see below), whose sum is σ = 33638304. Its totient is φ = 9495864.

The previous prime is 19106803. The next prime is 19106821. The reversal of 19106804 is 40860191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19106803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13634 + ... + 14969.

It is an arithmetic number, because the mean of its divisors is an integer number (2803192).

Almost surely, 219106804 is an apocalyptic number.

It is an amenable number.

19106804 is a deficient number, since it is larger than the sum of its proper divisors (14531500).

19106804 is a wasteful number, since it uses less digits than its factorization.

19106804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28774 (or 28772 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 19106804 is about 4371.1330338941. The cubic root of 19106804 is about 267.3392238524.

Adding to 19106804 its reverse (40860191), we get a palindrome (59966995).

The spelling of 19106804 in words is "nineteen million, one hundred six thousand, eight hundred four".

Divisors: 1 2 4 167 334 668 28603 57206 114412 4776701 9553402 19106804