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442437101 is a prime number
BaseRepresentation
bin11010010111110…
…000110111101101
31010211112010121022
4122113300313231
51401230441401
6111522543525
713651440041
oct3227606755
91124463538
10442437101
112078205a7
12104207ba5
137087c502
1442a90021
1528c9771b
hex1a5f0ded

442437101 has 2 divisors, whose sum is σ = 442437102. Its totient is φ = 442437100.

The previous prime is 442437089. The next prime is 442437103. The reversal of 442437101 is 101734244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434764201 + 7672900 = 20851^2 + 2770^2 .

It is a cyclic number.

It is not a de Polignac number, because 442437101 - 210 = 442436077 is a prime.

Together with 442437103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442437103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221218550 + 221218551.

It is an arithmetic number, because the mean of its divisors is an integer number (221218551).

Almost surely, 2442437101 is an apocalyptic number.

It is an amenable number.

442437101 is a deficient number, since it is larger than the sum of its proper divisors (1).

442437101 is an equidigital number, since it uses as much as digits as its factorization.

442437101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 442437101 is about 21034.1888600440. The cubic root of 442437101 is about 761.9921769966.

The spelling of 442437101 in words is "four hundred forty-two million, four hundred thirty-seven thousand, one hundred one".