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82540723 is a prime number
BaseRepresentation
bin1001110101101…
…11100010110011
312202022111120211
410322313202303
5132112300343
612105044551
72021404336
oct472674263
9182274524
1082540723
1142657081
1223786757
131413c985
14ad6861d
1573a679d
hex4eb78b3

82540723 has 2 divisors, whose sum is σ = 82540724. Its totient is φ = 82540722.

The previous prime is 82540691. The next prime is 82540741. The reversal of 82540723 is 32704528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82540723 - 25 = 82540691 is a prime.

It is not a weakly prime, because it can be changed into another prime (82540753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41270361 + 41270362.

It is an arithmetic number, because the mean of its divisors is an integer number (41270362).

Almost surely, 282540723 is an apocalyptic number.

82540723 is a deficient number, since it is larger than the sum of its proper divisors (1).

82540723 is an equidigital number, since it uses as much as digits as its factorization.

82540723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 82540723 is about 9085.1925130951. The cubic root of 82540723 is about 435.4010007301.

The spelling of 82540723 in words is "eighty-two million, five hundred forty thousand, seven hundred twenty-three".