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271321949 is a prime number
BaseRepresentation
bin10000001011000…
…000101101011101
3200220112120202002
4100023000231131
51023424300244
642531212045
76503125043
oct2013005535
9626476662
10271321949
1112a177218
1276a47025
1344299742
142806a393
1518c46a4e
hex102c0b5d

271321949 has 2 divisors, whose sum is σ = 271321950. Its totient is φ = 271321948.

The previous prime is 271321903. The next prime is 271321979. The reversal of 271321949 is 949123172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248692900 + 22629049 = 15770^2 + 4757^2 .

It is a cyclic number.

It is not a de Polignac number, because 271321949 - 216 = 271256413 is a prime.

It is a Chen prime.

It is equal to p14779271 and since 271321949 and 14779271 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271321979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135660974 + 135660975.

It is an arithmetic number, because the mean of its divisors is an integer number (135660975).

Almost surely, 2271321949 is an apocalyptic number.

It is an amenable number.

271321949 is a deficient number, since it is larger than the sum of its proper divisors (1).

271321949 is an equidigital number, since it uses as much as digits as its factorization.

271321949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 271321949 is about 16471.8532351402. The cubic root of 271321949 is about 647.3835245140.

The spelling of 271321949 in words is "two hundred seventy-one million, three hundred twenty-one thousand, nine hundred forty-nine".