Search a number
-
+
8220242442 = 235338367493
BaseRepresentation
bin1111010011111011…
…01111001000001010
3210012212211120201210
413221331233020022
5113313340224232
63435404153550
7410463623256
oct75175571012
923185746653
108220242442
1135391268a5
121714b388b6
13a10066ca9
1457da39266
15331a025cc
hex1e9f6f20a

8220242442 has 32 divisors (see below), whose sum is σ = 16794667008. Its totient is φ = 2681322176.

The previous prime is 8220242417. The next prime is 8220242461. The reversal of 8220242442 is 2442420228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88048 + ... + 155540.

It is an arithmetic number, because the mean of its divisors is an integer number (524833344).

Almost surely, 28220242442 is an apocalyptic number.

8220242442 is an abundant number, since it is smaller than the sum of its proper divisors (8574424566).

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

8220242442 is a wasteful number, since it uses less digits than its factorization.

8220242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67934.

The product of its (nonzero) digits is 16384, while the sum is 30.

The square root of 8220242442 is about 90665.5526757544. The cubic root of 8220242442 is about 2018.1876403448.

The spelling of 8220242442 in words is "eight billion, two hundred twenty million, two hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 53 106 159 318 383 766 1149 2298 20299 40598 60897 67493 121794 134986 202479 404958 3577129 7154258 10731387 21462774 25849819 51699638 77549457 155098914 1370040407 2740080814 4110121221 8220242442