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19832013 = 331743207
BaseRepresentation
bin100101110100…
…1110011001101
31101022120102000
41023221303031
520034111023
61545022513
7330366165
oct113516315
941276360
1019832013
11102160a3
126784a39
134154b26
1428c35a5
151b1b243
hex12e9ccd

19832013 has 16 divisors (see below), whose sum is σ = 31109760. Its totient is φ = 12443328.

The previous prime is 19832009. The next prime is 19832053. The reversal of 19832013 is 31023891.

It is not a de Polignac number, because 19832013 - 22 = 19832009 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19832053) 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, 21145 + ... + 22062.

It is an arithmetic number, because the mean of its divisors is an integer number (1944360).

Almost surely, 219832013 is an apocalyptic number.

It is an amenable number.

19832013 is a deficient number, since it is larger than the sum of its proper divisors (11277747).

19832013 is a wasteful number, since it uses less digits than its factorization.

19832013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43233 (or 43227 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 19832013 is about 4453.3148327959. The cubic root of 19832013 is about 270.6796457804.

The spelling of 19832013 in words is "nineteen million, eight hundred thirty-two thousand, thirteen".

Divisors: 1 3 9 17 27 51 153 459 43207 129621 388863 734519 1166589 2203557 6610671 19832013