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19029769 = 112836113
BaseRepresentation
bin100100010010…
…1111100001001
31022210210221021
41020211330021
514332423034
61515512441
7320515243
oct110457411
938723837
1019029769
11a818390
126458721
133c33925
142755093
151a0d6b4
hex1225f09

19029769 has 8 divisors (see below), whose sum is σ = 20836512. Its totient is φ = 17235840.

The previous prime is 19029721. The next prime is 19029799. The reversal of 19029769 is 96792091.

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 19029769 - 223 = 10641161 is a prime.

It is a super-2 number, since 2×190297692 = 724264216386722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19029719) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57 + ... + 6169.

It is an arithmetic number, because the mean of its divisors is an integer number (2604564).

Almost surely, 219029769 is an apocalyptic number.

It is an amenable number.

19029769 is a deficient number, since it is larger than the sum of its proper divisors (1806743).

19029769 is a wasteful number, since it uses less digits than its factorization.

19029769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 19029769 is about 4362.3123455342. The cubic root of 19029769 is about 266.9794529396.

The spelling of 19029769 in words is "nineteen million, twenty-nine thousand, seven hundred sixty-nine".

Divisors: 1 11 283 3113 6113 67243 1729979 19029769