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275182139 is a prime number
BaseRepresentation
bin10000011001101…
…111001000111011
3201011210200221002
4100121233020323
51030421312024
643150035215
76551003201
oct2031571073
9634720832
10275182139
11131373461
12781a8b0b
134501b78b
1428793071
151925a6ae
hex1066f23b

275182139 has 2 divisors, whose sum is σ = 275182140. Its totient is φ = 275182138.

The previous prime is 275182123. The next prime is 275182157. The reversal of 275182139 is 931281572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275182139 - 24 = 275182123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275182109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137591069 + 137591070.

It is an arithmetic number, because the mean of its divisors is an integer number (137591070).

Almost surely, 2275182139 is an apocalyptic number.

275182139 is a deficient number, since it is larger than the sum of its proper divisors (1).

275182139 is an equidigital number, since it uses as much as digits as its factorization.

275182139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 275182139 is about 16588.6147402368. The cubic root of 275182139 is about 650.4392604838.

The spelling of 275182139 in words is "two hundred seventy-five million, one hundred eighty-two thousand, one hundred thirty-nine".