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30820232 = 238834363
BaseRepresentation
bin111010110010…
…0011110001000
32010222211102002
41311210132020
530342221412
63020330132
7522652622
oct165443610
963884362
1030820232
1116440773
12a3a3948
136501431
144143c12
152a8bdc2
hex1d64788

30820232 has 16 divisors (see below), whose sum is σ = 57866640. Its totient is φ = 15389136.

The previous prime is 30820217. The next prime is 30820241. The reversal of 30820232 is 23202803.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4883 + ... + 9245.

It is an arithmetic number, because the mean of its divisors is an integer number (3616665).

Almost surely, 230820232 is an apocalyptic number.

It is an amenable number.

30820232 is a deficient number, since it is larger than the sum of its proper divisors (27046408).

30820232 is a wasteful number, since it uses less digits than its factorization.

30820232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252 (or 5248 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30820232 is about 5551.5972476396. The cubic root of 30820232 is about 313.5296621804.

The spelling of 30820232 in words is "thirty million, eight hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 883 1766 3532 4363 7064 8726 17452 34904 3852529 7705058 15410116 30820232