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270974309 is a prime number
BaseRepresentation
bin10000001001101…
…011110101100101
3200212212220212112
4100021223311211
51023332134214
642515530405
76500146364
oct2011536545
9625786775
10270974309
11129a5a011
12768b9a05
13441a7438
1427db97db
1518bc8a3e
hex1026bd65

270974309 has 2 divisors, whose sum is σ = 270974310. Its totient is φ = 270974308.

The previous prime is 270974287. The next prime is 270974323. The reversal of 270974309 is 903479072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172528225 + 98446084 = 13135^2 + 9922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-270974309 is a prime.

It is a super-2 number, since 2×2709743092 = 146854152276054962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270974399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135487154 + 135487155.

It is an arithmetic number, because the mean of its divisors is an integer number (135487155).

Almost surely, 2270974309 is an apocalyptic number.

It is an amenable number.

270974309 is a deficient number, since it is larger than the sum of its proper divisors (1).

270974309 is an equidigital number, since it uses as much as digits as its factorization.

270974309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 270974309 is about 16461.2973061056. The cubic root of 270974309 is about 647.1069126659.

The spelling of 270974309 in words is "two hundred seventy million, nine hundred seventy-four thousand, three hundred nine".