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755431093 is a prime number
BaseRepresentation
bin101101000001101…
…111011010110101
31221122110212122101
4231001233122311
53021342243333
6202543302101
724502026004
oct5501573265
91848425571
10755431093
1135846a61a
12190baa931
13c0679861
1472486c3b
15464c167d
hex2d06f6b5

755431093 has 2 divisors, whose sum is σ = 755431094. Its totient is φ = 755431092.

The previous prime is 755431049. The next prime is 755431099. The reversal of 755431093 is 390134557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495641169 + 259789924 = 22263^2 + 16118^2 .

It is a cyclic number.

It is not a de Polignac number, because 755431093 - 221 = 753333941 is a prime.

It is a super-2 number, since 2×7554310932 = 1141352272542349298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755431099) 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, 377715546 + 377715547.

It is an arithmetic number, because the mean of its divisors is an integer number (377715547).

Almost surely, 2755431093 is an apocalyptic number.

It is an amenable number.

755431093 is a deficient number, since it is larger than the sum of its proper divisors (1).

755431093 is an equidigital number, since it uses as much as digits as its factorization.

755431093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 755431093 is about 27485.1067489286. The cubic root of 755431093 is about 910.7481240706.

It can be divided in two parts, 75543 and 1093, that added together give a triangular number (76636 = T391).

The spelling of 755431093 in words is "seven hundred fifty-five million, four hundred thirty-one thousand, ninety-three".