Search a number
-
+
988271 is a prime number
BaseRepresentation
bin11110001010001101111
31212012122122
43301101233
5223111041
633103155
711254154
oct3612157
91765578
10988271
11615559
123b7abb
13287a9b
141ba22b
15147c4b
hexf146f

988271 has 2 divisors, whose sum is σ = 988272. Its totient is φ = 988270.

The previous prime is 988243. The next prime is 988279. The reversal of 988271 is 172889.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-988271 is a prime.

It is a Sophie Germain 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 988271.

It is not a weakly prime, because it can be changed into another prime (988279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494135 + 494136.

It is an arithmetic number, because the mean of its divisors is an integer number (494136).

2988271 is an apocalyptic number.

988271 is a deficient number, since it is larger than the sum of its proper divisors (1).

988271 is an equidigital number, since it uses as much as digits as its factorization.

988271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 35.

The square root of 988271 is about 994.1182022275. The cubic root of 988271 is about 99.6074947452.

The spelling of 988271 in words is "nine hundred eighty-eight thousand, two hundred seventy-one".