Search a number
-
+
29220197 = 293132503
BaseRepresentation
bin110111101110…
…1110101100101
32000222112120112
41233131311211
524440021242
62522142405
7503240036
oct157356545
960875515
1029220197
1115548626
129951a05
136091076
143c48a8d
152872c82
hex1bddd65

29220197 has 8 divisors (see below), whose sum is σ = 31203840. Its totient is φ = 27301680.

The previous prime is 29220181. The next prime is 29220199. The reversal of 29220197 is 79102292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29220197 - 24 = 29220181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29220199) 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, 15353 + ... + 17150.

It is an arithmetic number, because the mean of its divisors is an integer number (3900480).

Almost surely, 229220197 is an apocalyptic number.

It is an amenable number.

29220197 is a deficient number, since it is larger than the sum of its proper divisors (1983643).

29220197 is a wasteful number, since it uses less digits than its factorization.

29220197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32563.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 29220197 is about 5405.5709226686. The cubic root of 29220197 is about 308.0073261034.

The spelling of 29220197 in words is "twenty-nine million, two hundred twenty thousand, one hundred ninety-seven".

Divisors: 1 29 31 899 32503 942587 1007593 29220197