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19104029 = 73188037
BaseRepresentation
bin100100011100…
…0000100011101
31022221120210122
41020320010131
514342312104
61521244325
7321244610
oct110700435
938846718
1019104029
11a86915a
1264936a5
133c5b679
142774177
151a256be
hex123811d

19104029 has 8 divisors (see below), whose sum is σ = 22537728. Its totient is φ = 15846480.

The previous prime is 19104013. The next prime is 19104031. The reversal of 19104029 is 92040191.

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 19104029 - 24 = 19104013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19103989 and 19104007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19104629) 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, 43802 + ... + 44235.

It is an arithmetic number, because the mean of its divisors is an integer number (2817216).

Almost surely, 219104029 is an apocalyptic number.

It is an amenable number.

19104029 is a deficient number, since it is larger than the sum of its proper divisors (3433699).

19104029 is an equidigital number, since it uses as much as digits as its factorization.

19104029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88075.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 19104029 is about 4370.8155989472. The cubic root of 19104029 is about 267.3262807796.

The spelling of 19104029 in words is "nineteen million, one hundred four thousand, twenty-nine".

Divisors: 1 7 31 217 88037 616259 2729147 19104029