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19200713 = 77934721
BaseRepresentation
bin100100100111…
…1101011001001
31100010111102112
41021033223021
514403410323
61523312105
7322126520
oct111175311
940114375
1019200713
11a924864
12651b635
133c9368c
14279b4b7
151a44178
hex124fac9

19200713 has 8 divisors (see below), whose sum is σ = 22222080. Its totient is φ = 16248960.

The previous prime is 19200703. The next prime is 19200721. The reversal of 19200713 is 31700291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19200713 - 28 = 19200457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19200703) 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 in 7 ways as a sum of consecutive naturals, for example, 16808 + ... + 17913.

It is an arithmetic number, because the mean of its divisors is an integer number (2777760).

Almost surely, 219200713 is an apocalyptic number.

It is an amenable number.

19200713 is a deficient number, since it is larger than the sum of its proper divisors (3021367).

19200713 is an equidigital number, since it uses as much as digits as its factorization.

19200713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34807.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 19200713 is about 4381.8618189076. The cubic root of 19200713 is about 267.7764946147.

The spelling of 19200713 in words is "nineteen million, two hundred thousand, seven hundred thirteen".

Divisors: 1 7 79 553 34721 243047 2742959 19200713