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442368001 = 2915254069
BaseRepresentation
bin11010010111100…
…000000000000001
31010211101121211001
4122113200000001
51401221234001
6111521252001
713651031425
oct3227400001
91124347731
10442368001
11207783699
12104194001
1370856c1a
1442a72b85
1528c82001
hex1a5e0001

442368001 has 4 divisors (see below), whose sum is σ = 457622100. Its totient is φ = 427113904.

The previous prime is 442367987. The next prime is 442368029. The reversal of 442368001 is 100863244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 331276401 + 111091600 = 18201^2 + 10540^2 .

It is a cyclic number.

It is not a de Polignac number, because 442368001 - 27 = 442367873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442368061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7627006 + ... + 7627063.

It is an arithmetic number, because the mean of its divisors is an integer number (114405525).

It is a Proth number, since it is equal to 3375 ⋅ 217 + 1 and 3375 < 217.

Almost surely, 2442368001 is an apocalyptic number.

It is an amenable number.

442368001 is a deficient number, since it is larger than the sum of its proper divisors (15254099).

442368001 is a wasteful number, since it uses less digits than its factorization.

442368001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15254098.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 442368001 is about 21032.5462319711. The cubic root of 442368001 is about 761.9525055189.

The spelling of 442368001 in words is "four hundred forty-two million, three hundred sixty-eight thousand, one".

Divisors: 1 29 15254069 442368001