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19419296 = 251346681
BaseRepresentation
bin100101000010…
…1000010100000
31100112121021012
41022011002200
514432404141
61532120052
7324030011
oct112050240
940477235
1019419296
11aa64006
126606028
13403c010
142817008
151a88ceb
hex12850a0

19419296 has 24 divisors (see below), whose sum is σ = 41173524. Its totient is φ = 8962560.

The previous prime is 19419293. The next prime is 19419307. The reversal of 19419296 is 69291491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18835600 + 583696 = 4340^2 + 764^2 .

It is not an unprimeable number, because it can be changed into a prime (19419293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22925 + ... + 23756.

Almost surely, 219419296 is an apocalyptic number.

19419296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19419296 is an abundant number, since it is smaller than the sum of its proper divisors (21754228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19419296 is a wasteful number, since it uses less digits than its factorization.

19419296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46704 (or 46696 counting only the distinct ones).

The product of its digits is 34992, while the sum is 41.

The square root of 19419296 is about 4406.7330302618. The cubic root of 19419296 is about 268.7887951206.

The spelling of 19419296 in words is "nineteen million, four hundred nineteen thousand, two hundred ninety-six".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 46681 93362 186724 373448 606853 746896 1213706 1493792 2427412 4854824 9709648 19419296