Search a number
-
+
29320890 = 235977363
BaseRepresentation
bin110111111011…
…0011010111010
32001011122200220
41233312122322
530001232030
62524240510
7504136434
oct157663272
961148626
1029320890
1115607245
1299a0136
1360c7b51
143c73654
152892a10
hex1bf66ba

29320890 has 16 divisors (see below), whose sum is σ = 70370208. Its totient is φ = 7818896.

The previous prime is 29320867. The next prime is 29320897. The reversal of 29320890 is 9802392.

It is not an unprimeable number, because it can be changed into a prime (29320897) by changing a digit.

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, 488652 + ... + 488711.

It is an arithmetic number, because the mean of its divisors is an integer number (4398138).

Almost surely, 229320890 is an apocalyptic number.

29320890 is an abundant number, since it is smaller than the sum of its proper divisors (41049318).

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

29320890 is a wasteful number, since it uses less digits than its factorization.

29320890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977373.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 29320890 is about 5414.8767298988. The cubic root of 29320890 is about 308.3607189376.

The spelling of 29320890 in words is "twenty-nine million, three hundred twenty thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 977363 1954726 2932089 4886815 5864178 9773630 14660445 29320890