Search a number
-
+
204452969 = 7271107777
BaseRepresentation
bin11000010111110…
…11010001101001
3112020201021202012
430023323101221
5404314443334
632142045305
75031551540
oct1413732151
9466637665
10204452969
11a54545a6
1258579835
13334860b6
141d221157
1512e389ce
hexc2fb469

204452969 has 8 divisors (see below), whose sum is σ = 234524928. Its totient is φ = 174597120.

The previous prime is 204452953. The next prime is 204452981. The reversal of 204452969 is 969254402.

It is a happy number.

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 204452969 - 24 = 204452953 is a prime.

It is a super-2 number, since 2×2044529692 = 83602033065829922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204457969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51992 + ... + 55785.

It is an arithmetic number, because the mean of its divisors is an integer number (29315616).

Almost surely, 2204452969 is an apocalyptic number.

It is an amenable number.

204452969 is a deficient number, since it is larger than the sum of its proper divisors (30071959).

204452969 is a wasteful number, since it uses less digits than its factorization.

204452969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108055.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 204452969 is about 14298.7051511667. The cubic root of 204452969 is about 589.1119158412. Note that the first 3 decimals are identical.

The spelling of 204452969 in words is "two hundred four million, four hundred fifty-two thousand, nine hundred sixty-nine".

Divisors: 1 7 271 1897 107777 754439 29207567 204452969