Search a number
-
+
2119940228 = 227157482243
BaseRepresentation
bin111111001011011…
…1011100010000100
312110202001010021202
41332112323202010
513320201041403
6550205402032
7103351123520
oct17626734204
95422033252
102119940228
1199871851a
124b1b69318
1327a280003
1416179ad80
15c61a5688
hex7e5bb884

2119940228 has 24 divisors (see below), whose sum is σ = 4266894912. Its totient is φ = 902757024.

The previous prime is 2119940209. The next prime is 2119940243. The reversal of 2119940228 is 8220499112.

It is a junction number, because it is equal to n+sod(n) for n = 2119940191 and 2119940200.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 236726 + ... + 245517.

It is an arithmetic number, because the mean of its divisors is an integer number (177787288).

Almost surely, 22119940228 is an apocalyptic number.

2119940228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2119940228 is an abundant number, since it is smaller than the sum of its proper divisors (2146954684).

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

2119940228 is a wasteful number, since it uses less digits than its factorization.

2119940228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482411 (or 482409 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 2119940228 is about 46042.8086458678. The cubic root of 2119940228 is about 1284.6195844853.

The spelling of 2119940228 in words is "two billion, one hundred nineteen million, nine hundred forty thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 157 314 628 1099 2198 4396 482243 964486 1928972 3375701 6751402 13502804 75712151 151424302 302848604 529985057 1059970114 2119940228