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442000310 = 25291524139
BaseRepresentation
bin11010010110000…
…110001110110110
31010210200221102212
4122112012032312
51401123002220
6111505333422
713644640433
oct3226061666
91123627385
10442000310
11207552414
12104037272
137075875b
14429b8b8a
1528c0d0c5
hex1a5863b6

442000310 has 16 divisors (see below), whose sum is σ = 823035600. Its totient is φ = 170703456.

The previous prime is 442000309. The next prime is 442000319. The reversal of 442000310 is 13000244.

It is a super-2 number, since 2×4420003102 = 390728548080192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442000319) 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, 761780 + ... + 762359.

It is an arithmetic number, because the mean of its divisors is an integer number (51439725).

Almost surely, 2442000310 is an apocalyptic number.

442000310 is a deficient number, since it is larger than the sum of its proper divisors (381035290).

442000310 is a wasteful number, since it uses less digits than its factorization.

442000310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524175.

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

The square root of 442000310 is about 21023.8034142255. The cubic root of 442000310 is about 761.7413383936.

Adding to 442000310 its reverse (13000244), we get a palindrome (455000554).

The spelling of 442000310 in words is "four hundred forty-two million, three hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 29 58 145 290 1524139 3048278 7620695 15241390 44200031 88400062 221000155 442000310