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271418149 is a prime number
BaseRepresentation
bin10000001011011…
…000001100100101
3200220201110201001
4100023120030211
51023440340044
642533233301
76504005362
oct2013301445
9626643631
10271418149
1112a232522
1276a92831
1344301472
1428093469
1518c652d4
hex102d8325

271418149 has 2 divisors, whose sum is σ = 271418150. Its totient is φ = 271418148.

The previous prime is 271418117. The next prime is 271418171. The reversal of 271418149 is 941814172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264225025 + 7193124 = 16255^2 + 2682^2 .

It is a cyclic number.

It is not a de Polignac number, because 271418149 - 25 = 271418117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271418179) 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, 135709074 + 135709075.

It is an arithmetic number, because the mean of its divisors is an integer number (135709075).

Almost surely, 2271418149 is an apocalyptic number.

It is an amenable number.

271418149 is a deficient number, since it is larger than the sum of its proper divisors (1).

271418149 is an equidigital number, since it uses as much as digits as its factorization.

271418149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 37.

The square root of 271418149 is about 16474.7731092115. The cubic root of 271418149 is about 647.4600276453.

The spelling of 271418149 in words is "two hundred seventy-one million, four hundred eighteen thousand, one hundred forty-nine".