Search a number
-
+
32650820 = 2252297129
BaseRepresentation
bin111110010001…
…1011001000100
32021102211111122
41330203121010
531324311240
63123453112
7544345616
oct174433104
967384448
1032650820
1117481054
12ab27198
1369c2717
14449cdb6
152cee4b5
hex1f23644

32650820 has 24 divisors (see below), whose sum is σ = 68875800. Its totient is φ = 13001472.

The previous prime is 32650769. The next prime is 32650859. The reversal of 32650820 is 2805623.

It can be written as a sum of positive squares in 4 ways, for example, as 11930116 + 20720704 = 3454^2 + 4552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32650820.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 8144.

It is an arithmetic number, because the mean of its divisors is an integer number (2869825).

Almost surely, 232650820 is an apocalyptic number.

It is an amenable number.

32650820 is an abundant number, since it is smaller than the sum of its proper divisors (36224980).

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

32650820 is a wasteful number, since it uses less digits than its factorization.

32650820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367 (or 7365 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 32650820 is about 5714.0896037777. The cubic root of 32650820 is about 319.6180990929.

The spelling of 32650820 in words is "thirty-two million, six hundred fifty thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 229 458 916 1145 2290 4580 7129 14258 28516 35645 71290 142580 1632541 3265082 6530164 8162705 16325410 32650820