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54293231 is a prime number
BaseRepresentation
bin1100111100011…
…1001011101111
310210011101022102
43033013023233
5102344340411
65215405315
71226325206
oct317071357
9123141272
1054293231
1128713343
121622383b
13b32c595
1472d423d
154b76d3b
hex33c72ef

54293231 has 2 divisors, whose sum is σ = 54293232. Its totient is φ = 54293230.

The previous prime is 54293207. The next prime is 54293243. The reversal of 54293231 is 13239245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54293231 - 210 = 54292207 is a prime.

It is a super-2 number, since 2×542932312 = 5895509864838722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54293194 and 54293203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54293251) 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, 27146615 + 27146616.

It is an arithmetic number, because the mean of its divisors is an integer number (27146616).

Almost surely, 254293231 is an apocalyptic number.

54293231 is a deficient number, since it is larger than the sum of its proper divisors (1).

54293231 is an equidigital number, since it uses as much as digits as its factorization.

54293231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 54293231 is about 7368.3940584092. The cubic root of 54293231 is about 378.6592431050.

The spelling of 54293231 in words is "fifty-four million, two hundred ninety-three thousand, two hundred thirty-one".