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19248271 = 77934807
BaseRepresentation
bin100100101101…
…1010010001111
31100012220122221
41021123102033
514411421041
61524320211
7322415260
oct111332217
940186587
1019248271
11a957569
126543067
133cac213
1427b0967
151a532d1
hex125b48f

19248271 has 8 divisors (see below), whose sum is σ = 22277120. Its totient is φ = 16289208.

The previous prime is 19248269. The next prime is 19248287. The reversal of 19248271 is 17284291.

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

It is a cyclic number.

It is not a de Polignac number, because 19248271 - 21 = 19248269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19248211) 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, 16851 + ... + 17956.

It is an arithmetic number, because the mean of its divisors is an integer number (2784640).

Almost surely, 219248271 is an apocalyptic number.

19248271 is a deficient number, since it is larger than the sum of its proper divisors (3028849).

19248271 is an equidigital number, since it uses as much as digits as its factorization.

19248271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34893.

The product of its digits is 8064, while the sum is 34.

The square root of 19248271 is about 4387.2851514348. The cubic root of 19248271 is about 267.9973963882.

The spelling of 19248271 in words is "nineteen million, two hundred forty-eight thousand, two hundred seventy-one".

Divisors: 1 7 79 553 34807 243649 2749753 19248271