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10442557 is a prime number
BaseRepresentation
bin100111110101…
…011100111101
3201122112111101
4213311130331
510133130212
61011453101
7154521526
oct47653475
921575441
1010442557
115992714
1235b7191
132218138
14155b84d
15db4157
hex9f573d

10442557 has 2 divisors, whose sum is σ = 10442558. Its totient is φ = 10442556.

The previous prime is 10442519. The next prime is 10442561. The reversal of 10442557 is 75524401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7901721 + 2540836 = 2811^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 10442557 - 211 = 10440509 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10442657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5221278 + 5221279.

It is an arithmetic number, because the mean of its divisors is an integer number (5221279).

Almost surely, 210442557 is an apocalyptic number.

It is an amenable number.

10442557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10442557 is an equidigital number, since it uses as much as digits as its factorization.

10442557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 10442557 is about 3231.4945458719. The cubic root of 10442557 is about 218.5759048004.

Adding to 10442557 its reverse (75524401), we get a palindrome (85966958).

The spelling of 10442557 in words is "ten million, four hundred forty-two thousand, five hundred fifty-seven".