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442310 = 25114021
BaseRepresentation
bin1101011111111000110
3211110201212
41223333012
5103123220
613251422
73521351
oct1537706
9743655
10442310
11282350
12193b72
1312642b
14b7298
158b0c5
hex6bfc6

442310 has 16 divisors (see below), whose sum is σ = 868752. Its totient is φ = 160800.

The previous prime is 442291. The next prime is 442319. The reversal of 442310 is 13244.

It is a super-2 number, since 2×4423102 = 391276272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442319) by changing a digit.

442310 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (54297).

2442310 is an apocalyptic number.

442310 is a deficient number, since it is larger than the sum of its proper divisors (426442).

442310 is a wasteful number, since it uses less digits than its factorization.

442310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 442310 is about 665.0639067037. The cubic root of 442310 is about 76.1919202975.

Adding to 442310 its reverse (13244), we get a palindrome (455554).

The spelling of 442310 in words is "four hundred forty-two thousand, three hundred ten", and thus it is an iban number.

Divisors: 1 2 5 10 11 22 55 110 4021 8042 20105 40210 44231 88462 221155 442310