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19429107 = 3371131549
BaseRepresentation
bin100101000011…
…1011011110011
31100120002201120
41022013123303
514433212412
61532233323
7324100425
oct112073363
940502646
1019429107
11aa70415
12660b843
134043619
14281a815
151a8bb8c
hex12876f3

19429107 has 16 divisors (see below), whose sum is σ = 26858400. Its totient is φ = 12483072.

The previous prime is 19429099. The next prime is 19429133. The reversal of 19429107 is 70192491.

It is not a de Polignac number, because 19429107 - 23 = 19429099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19429177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11769 + ... + 13317.

It is an arithmetic number, because the mean of its divisors is an integer number (1678650).

Almost surely, 219429107 is an apocalyptic number.

19429107 is a deficient number, since it is larger than the sum of its proper divisors (7429293).

19429107 is a wasteful number, since it uses less digits than its factorization.

19429107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 19429107 is about 4407.8460726300. The cubic root of 19429107 is about 268.8340532476.

The spelling of 19429107 in words is "nineteen million, four hundred twenty-nine thousand, one hundred seven".

Divisors: 1 3 37 111 113 339 1549 4181 4647 12543 57313 171939 175037 525111 6476369 19429107