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442345024 = 261122392
BaseRepresentation
bin11010010111011…
…010011001000000
31010211100110022001
4122113122121000
51401220020044
6111520553344
713650604432
oct3227323100
91124313261
10442345024
11207768400
12104182854
1370849624
1442a68652
1528c7a2d4
hex1a5da640

442345024 has 63 divisors (see below), whose sum is σ = 968884651. Its totient is φ = 200224640.

The previous prime is 442345021. The next prime is 442345063. The reversal of 442345024 is 420543244.

The square root of 442345024 is 21032.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442344983 and 442345001.

It is not an unprimeable number, because it can be changed into a prime (442345021) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 1850697 + ... + 1850935.

Almost surely, 2442345024 is an apocalyptic number.

442345024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

442345024 is the 21032-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442345024

442345024 is an abundant number, since it is smaller than the sum of its proper divisors (526539627).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442345024 is an equidigital number, since it uses as much as digits as its factorization.

442345024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The cubic root of 442345024 is about 761.9393131196.

Adding to 442345024 its reverse (420543244), we get a palindrome (862888268).

The spelling of 442345024 in words is "four hundred forty-two million, three hundred forty-five thousand, twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 176 239 242 352 478 484 704 956 968 1912 1936 2629 3824 3872 5258 7648 7744 10516 15296 21032 28919 42064 57121 57838 84128 114242 115676 168256 228484 231352 456968 462704 628331 913936 925408 1256662 1827872 1850816 2513324 3655744 5026648 6911641 10053296 13823282 20106592 27646564 40213184 55293128 110586256 221172512 442345024