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19413 = 33719
BaseRepresentation
bin100101111010101
3222122000
410233111
51110123
6225513
7110412
oct45725
928560
1019413
1113649
12b299
138ab4
147109
155b43
hex4bd5

19413 has 8 divisors (see below), whose sum is σ = 28800. Its totient is φ = 12924.

The previous prime is 19403. The next prime is 19417. The reversal of 19413 is 31491.

It is not a de Polignac number, because 19413 - 25 = 19381 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 19413.

It is not an unprimeable number, because it can be changed into a prime (19417) 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, 333 + ... + 386.

It is an arithmetic number, because the mean of its divisors is an integer number (3600).

219413 is an apocalyptic number.

It is an amenable number.

19413 is a deficient number, since it is larger than the sum of its proper divisors (9387).

19413 is an equidigital number, since it uses as much as digits as its factorization.

19413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 722 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 19413 is about 139.3305422368. The cubic root of 19413 is about 26.8759743653.

The spelling of 19413 in words is "nineteen thousand, four hundred thirteen".

Divisors: 1 3 9 27 719 2157 6471 19413