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442703441 = 977576029
BaseRepresentation
bin11010011000110…
…001111001010001
31010212000122221202
4122120301321101
51401313002231
6111532400545
713653626405
oct3230617121
91125018852
10442703441
11207992714
12104316155
13709437cb
1442b1d105
1528ceb5cb
hex1a631e51

442703441 has 8 divisors (see below), whose sum is σ = 447932520. Its totient is φ = 437488128.

The previous prime is 442703423. The next prime is 442703449. The reversal of 442703441 is 144307244.

It can be written as a sum of positive squares in 4 ways, for example, as 179452816 + 263250625 = 13396^2 + 16225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-442703441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442703449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70415 + ... + 76443.

It is an arithmetic number, because the mean of its divisors is an integer number (55991565).

Almost surely, 2442703441 is an apocalyptic number.

It is an amenable number.

442703441 is a deficient number, since it is larger than the sum of its proper divisors (5229079).

442703441 is an equidigital number, since it uses as much as digits as its factorization.

442703441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 442703441 is about 21040.5190287692. The cubic root of 442703441 is about 762.1450486595.

The spelling of 442703441 in words is "four hundred forty-two million, seven hundred three thousand, four hundred forty-one".

Divisors: 1 97 757 6029 73429 584813 4563953 442703441