Search a number
-
+
2195492650 = 2521314922669
BaseRepresentation
bin1000001011011100…
…1000111100101010
312200000012120201121
42002313020330222
513444021231100
61001505005454
7105256244131
oct20267107452
95600176647
102195492650
11a2733113a
1251332388a
1328cb13ba0
1416b826918
15ccb2b51a
hex82dc8f2a

2195492650 has 48 divisors (see below), whose sum is σ = 4427451000. Its totient is φ = 805167360.

The previous prime is 2195492627. The next prime is 2195492671. The reversal of 2195492650 is 562945912.

It can be written as a sum of positive squares in 12 ways, for example, as 45037521 + 2150455129 = 6711^2 + 46373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2195492597 and 2195492606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85516 + ... + 108184.

Almost surely, 22195492650 is an apocalyptic number.

2195492650 is an abundant number, since it is smaller than the sum of its proper divisors (2231958350).

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

2195492650 is a wasteful number, since it uses less digits than its factorization.

2195492650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22843 (or 22838 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 2195492650 is about 46856.0844501544. The cubic root of 2195492650 is about 1299.7026242880.

The spelling of 2195492650 in words is "two billion, one hundred ninety-five million, four hundred ninety-two thousand, six hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 149 298 325 650 745 1490 1937 3725 3874 7450 9685 19370 22669 45338 48425 96850 113345 226690 294697 566725 589394 1133450 1473485 2946970 3377681 6755362 7367425 14734850 16888405 33776810 43909853 84442025 87819706 168884050 219549265 439098530 1097746325 2195492650