Search a number
-
+
29227397 = 115325349
BaseRepresentation
bin110111101111…
…1100110000101
32000222220110012
41233133212011
524440234042
62522240005
7503300033
oct157374605
960886405
1029227397
1115552a81
129956005
136094424
143c4b553
152874e82
hex1bdf985

29227397 has 4 divisors (see below), whose sum is σ = 29253900. Its totient is φ = 29200896.

The previous prime is 29227381. The next prime is 29227417. The reversal of 29227397 is 79372292.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17297281 + 11930116 = 4159^2 + 3454^2 .

It is a cyclic number.

It is not a de Polignac number, because 29227397 - 24 = 29227381 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 (29227997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11522 + ... + 13827.

It is an arithmetic number, because the mean of its divisors is an integer number (7313475).

Almost surely, 229227397 is an apocalyptic number.

It is an amenable number.

29227397 is a deficient number, since it is larger than the sum of its proper divisors (26503).

29227397 is a wasteful number, since it uses less digits than its factorization.

29227397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26502.

The product of its digits is 95256, while the sum is 41.

The square root of 29227397 is about 5406.2368612557. The cubic root of 29227397 is about 308.0326221982.

The spelling of 29227397 in words is "twenty-nine million, two hundred twenty-seven thousand, three hundred ninety-seven".

Divisors: 1 1153 25349 29227397