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19429084 = 224857271
BaseRepresentation
bin100101000011…
…1011011011100
31100120002200201
41022013123130
514433212314
61532233244
7324100363
oct112073334
940502621
1019429084
11aa703a4
12660b824
1340435cc
14281a7da
151a8bb74
hex12876dc

19429084 has 6 divisors (see below), whose sum is σ = 34000904. Its totient is φ = 9714540.

The previous prime is 19429073. The next prime is 19429087. The reversal of 19429084 is 48092491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19429087) 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 as a sum of consecutive naturals, namely, 2428632 + ... + 2428639.

Almost surely, 219429084 is an apocalyptic number.

It is an amenable number.

19429084 is a deficient number, since it is larger than the sum of its proper divisors (14571820).

19429084 is a wasteful number, since it uses less digits than its factorization.

19429084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857275 (or 4857273 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 19429084 is about 4407.8434636452. The cubic root of 19429084 is about 268.8339471664.

It can be divided in two parts, 1942 and 9084, that added together give a triangular number (11026 = T148).

The spelling of 19429084 in words is "nineteen million, four hundred twenty-nine thousand, eighty-four".

Divisors: 1 2 4 4857271 9714542 19429084