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260390701 is a prime number
BaseRepresentation
bin11111000010100…
…11111100101101
3200010222012220001
433201103330231
51013130000301
641501024301
76311166364
oct1741237455
9603865801
10260390701
11123a9042a
1273255091
1341c4004c
14268227db
1517cd7c01
hexf853f2d

260390701 has 2 divisors, whose sum is σ = 260390702. Its totient is φ = 260390700.

The previous prime is 260390699. The next prime is 260390723. The reversal of 260390701 is 107093062.

260390701 = T13174 + T13175 + T13176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197964900 + 62425801 = 14070^2 + 7901^2 .

It is a cyclic number.

It is not a de Polignac number, because 260390701 - 21 = 260390699 is a prime.

Together with 260390699, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260390701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260390791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130195350 + 130195351.

It is an arithmetic number, because the mean of its divisors is an integer number (130195351).

Almost surely, 2260390701 is an apocalyptic number.

260390701 is the 13176-th centered triangular number.

It is an amenable number.

260390701 is a deficient number, since it is larger than the sum of its proper divisors (1).

260390701 is an equidigital number, since it uses as much as digits as its factorization.

260390701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 260390701 is about 16136.6260723858. The cubic root of 260390701 is about 638.5699687049.

The spelling of 260390701 in words is "two hundred sixty million, three hundred ninety thousand, seven hundred one".