Search a number
-
+
238285269 = 32106324907
BaseRepresentation
bin11100011001111…
…11000111010101
3121121101010221100
432030333013111
5442000112034
635351140313
75622251145
oct1614770725
9547333840
10238285269
11112562282
1267974699
133a4a0501
142390a925
1515dbd099
hexe33f1d5

238285269 has 12 divisors (see below), whose sum is σ = 344527456. Its totient is φ = 158701032.

The previous prime is 238285219. The next prime is 238285283. The reversal of 238285269 is 962582832.

It is a happy number.

238285269 is a `hidden beast` number, since 2 + 382 + 8 + 5 + 269 = 666.

It is not a de Polignac number, because 238285269 - 216 = 238219733 is a prime.

It is a super-2 number, since 2×2382852692 = 113559738844804722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238285219) 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 11 ways as a sum of consecutive naturals, for example, 2887 + ... + 22020.

Almost surely, 2238285269 is an apocalyptic number.

It is an amenable number.

238285269 is a deficient number, since it is larger than the sum of its proper divisors (106242187).

238285269 is a wasteful number, since it uses less digits than its factorization.

238285269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25976 (or 25973 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 238285269 is about 15436.4914731295. The cubic root of 238285269 is about 619.9629435015.

The spelling of 238285269 in words is "two hundred thirty-eight million, two hundred eighty-five thousand, two hundred sixty-nine".

Divisors: 1 3 9 1063 3189 9567 24907 74721 224163 26476141 79428423 238285269