Search a number
-
+
1032201220 = 225192716319
BaseRepresentation
bin111101100001100…
…010010000000100
32122221021020212211
4331201202100010
54103220414340
6250231353204
734402365001
oct7541422004
92587236784
101032201220
1148a718066
12249822804
13135b0306b
149b1308a8
15609425ea
hex3d862404

1032201220 has 24 divisors (see below), whose sum is σ = 2281708800. Its totient is φ = 391149792.

The previous prime is 1032201193. The next prime is 1032201221. The reversal of 1032201220 is 221022301.

It is a self number, because there is not a number n which added to its sum of digits gives 1032201220.

It is not an unprimeable number, because it can be changed into a prime (1032201221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1357780 + ... + 1358539.

It is an arithmetic number, because the mean of its divisors is an integer number (95071200).

Almost surely, 21032201220 is an apocalyptic number.

1032201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032201220 is an abundant number, since it is smaller than the sum of its proper divisors (1249507580).

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

1032201220 is a wasteful number, since it uses less digits than its factorization.

1032201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716347 (or 2716345 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1032201220 is about 32127.8885082727. Note that the first 3 decimals coincide. The cubic root of 1032201220 is about 1010.6205447118.

Adding to 1032201220 its reverse (221022301), we get a palindrome (1253223521).

The spelling of 1032201220 in words is "one billion, thirty-two million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 2716319 5432638 10865276 13581595 27163190 51610061 54326380 103220122 206440244 258050305 516100610 1032201220