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755081 is a prime number
BaseRepresentation
bin10111000010110001001
31102100202222
42320112021
5143130311
624103425
76263255
oct2702611
91370688
10755081
11476338
12304b75
132058c2
14159265
15edadb
hexb8589

755081 has 2 divisors, whose sum is σ = 755082. Its totient is φ = 755080.

The previous prime is 755077. The next prime is 755087. The reversal of 755081 is 180557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462400 + 292681 = 680^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 755081 - 22 = 755077 is a prime.

It is a super-2 number, since 2×7550812 = 1140294633122, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 755081.

It is not a weakly prime, because it can be changed into another prime (755087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377540 + 377541.

It is an arithmetic number, because the mean of its divisors is an integer number (377541).

2755081 is an apocalyptic number.

It is an amenable number.

755081 is a deficient number, since it is larger than the sum of its proper divisors (1).

755081 is an equidigital number, since it uses as much as digits as its factorization.

755081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 755081 is about 868.9539688614. The cubic root of 755081 is about 91.0607411563.

The spelling of 755081 in words is "seven hundred fifty-five thousand, eighty-one".