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272816149 is a prime number
BaseRepresentation
bin10000010000101…
…101100000010101
3201000100111101211
4100100231200111
51024320104044
643023221421
76521620234
oct2020554025
9630314354
10272816149
1112aaa78a1
1277447871
13446a0898
1428338b1b
1518e3e634
hex1042d815

272816149 has 2 divisors, whose sum is σ = 272816150. Its totient is φ = 272816148.

The previous prime is 272816147. The next prime is 272816171. The reversal of 272816149 is 941618272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149206225 + 123609924 = 12215^2 + 11118^2 .

It is a cyclic number.

It is not a de Polignac number, because 272816149 - 21 = 272816147 is a prime.

Together with 272816147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272816143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136408074 + 136408075.

It is an arithmetic number, because the mean of its divisors is an integer number (136408075).

Almost surely, 2272816149 is an apocalyptic number.

It is an amenable number.

272816149 is a deficient number, since it is larger than the sum of its proper divisors (1).

272816149 is an equidigital number, since it uses as much as digits as its factorization.

272816149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 272816149 is about 16517.1471204927. The cubic root of 272816149 is about 648.5697538444.

The spelling of 272816149 in words is "two hundred seventy-two million, eight hundred sixteen thousand, one hundred forty-nine".