Search a number
-
+
271474789 is a prime number
BaseRepresentation
bin10000001011100…
…110000001100101
3200220211100101211
4100023212001211
51023444143124
642534351421
76504332455
oct2013460145
9626740354
10271474789
1112a271033
1276abb571
1344321191
14280a9d65
1518c76e94
hex102e6065

271474789 has 2 divisors, whose sum is σ = 271474790. Its totient is φ = 271474788.

The previous prime is 271474783. The next prime is 271474811. The reversal of 271474789 is 987474172.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243828225 + 27646564 = 15615^2 + 5258^2 .

It is a cyclic number.

It is not a de Polignac number, because 271474789 - 25 = 271474757 is a prime.

It is a super-2 number, since 2×2714747892 = 147397122125189042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271474783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135737394 + 135737395.

It is an arithmetic number, because the mean of its divisors is an integer number (135737395).

Almost surely, 2271474789 is an apocalyptic number.

It is an amenable number.

271474789 is a deficient number, since it is larger than the sum of its proper divisors (1).

271474789 is an equidigital number, since it uses as much as digits as its factorization.

271474789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 49.

The square root of 271474789 is about 16476.4920113476. The cubic root of 271474789 is about 647.5050621986.

The spelling of 271474789 in words is "two hundred seventy-one million, four hundred seventy-four thousand, seven hundred eighty-nine".