Search a number
-
+
2642046220 = 22511113106277
BaseRepresentation
bin1001110101111010…
…0110110100001100
320211010110212001201
42131132212310030
520402330434340
61114100115244
7122321010442
oct23536466414
96733425051
102642046220
111136403480
12618995b24
133314a4c78
141b0c68b92
15106e3879a
hex9d7a6d0c

2642046220 has 48 divisors (see below), whose sum is σ = 6106308768. Its totient is φ = 952232960.

The previous prime is 2642046181. The next prime is 2642046227. The reversal of 2642046220 is 226402462.

It is not an unprimeable number, because it can be changed into a prime (2642046227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28279 + ... + 77998.

It is an arithmetic number, because the mean of its divisors is an integer number (127214766).

Almost surely, 22642046220 is an apocalyptic number.

2642046220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2642046220 is an abundant number, since it is smaller than the sum of its proper divisors (3464262548).

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

2642046220 is a wasteful number, since it uses less digits than its factorization.

2642046220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106410 (or 106408 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2642046220 is about 51400.8387091106. The cubic root of 2642046220 is about 1382.4416307119.

Adding to 2642046220 its reverse (226402462), we get a palindrome (2868448682).

The spelling of 2642046220 in words is "two billion, six hundred forty-two million, forty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 113 220 226 452 565 1130 1243 2260 2486 4972 6215 12430 24860 106277 212554 425108 531385 1062770 1169047 2125540 2338094 4676188 5845235 11690470 12009301 23380940 24018602 48037204 60046505 120093010 132102311 240186020 264204622 528409244 660511555 1321023110 2642046220