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71498093 is a prime number
BaseRepresentation
bin1000100001011…
…11100101101101
311222112110221112
410100233211231
5121300414333
611032241405
71525503152
oct420574555
9158473845
1071498093
11373a4637
121bb40265
1311a74684
1496d2229
156424948
hex442f96d

71498093 has 2 divisors, whose sum is σ = 71498094. Its totient is φ = 71498092.

The previous prime is 71498071. The next prime is 71498101. The reversal of 71498093 is 39089417.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55160329 + 16337764 = 7427^2 + 4042^2 .

It is a cyclic number.

It is not a de Polignac number, because 71498093 - 218 = 71235949 is a prime.

It is a super-2 number, since 2×714980932 = 10223954605273298, which contains 22 as substring.

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 71498093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71498003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35749046 + 35749047.

It is an arithmetic number, because the mean of its divisors is an integer number (35749047).

Almost surely, 271498093 is an apocalyptic number.

It is an amenable number.

71498093 is a deficient number, since it is larger than the sum of its proper divisors (1).

71498093 is an equidigital number, since it uses as much as digits as its factorization.

71498093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 71498093 is about 8455.6544986181. The cubic root of 71498093 is about 415.0478350048.

The spelling of 71498093 in words is "seventy-one million, four hundred ninety-eight thousand, ninety-three".