Search a number
-
+
42644010 = 2352575531
BaseRepresentation
bin1010001010101…
…1001000101010
32222020112120210
42202223020222
541404102020
64122001550
71025316363
oct242531052
988215523
1042644010
1122087092
12123462b6
138ab1156
145940b6a
153b253e0
hex28ab22a

42644010 has 32 divisors (see below), whose sum is σ = 102762432. Its totient is φ = 11325440.

The previous prime is 42643969. The next prime is 42644023. The reversal of 42644010 is 1044624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4945 + ... + 10475.

It is an arithmetic number, because the mean of its divisors is an integer number (3211326).

Almost surely, 242644010 is an apocalyptic number.

42644010 is an abundant number, since it is smaller than the sum of its proper divisors (60118422).

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

42644010 is a wasteful number, since it uses less digits than its factorization.

42644010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42644010 is about 6530.2381273580. The cubic root of 42644010 is about 349.3703236264.

Adding to 42644010 its reverse (1044624), we get a palindrome (43688634).

The spelling of 42644010 in words is "forty-two million, six hundred forty-four thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 257 514 771 1285 1542 2570 3855 5531 7710 11062 16593 27655 33186 55310 82965 165930 1421467 2842934 4264401 7107335 8528802 14214670 21322005 42644010