Search a number
-
+
269117939 = 17591571709
BaseRepresentation
bin10000000010100…
…110100111110011
3200202101121102002
4100002212213303
51022343233224
642412044215
76445315256
oct2002464763
9622347362
10269117939
11128a01322
127616366b
13439a74ac
1427a5509d
151895d9ae
hex100a69f3

269117939 has 16 divisors (see below), whose sum is σ = 291794400. Its totient is φ = 247263744.

The previous prime is 269117929. The next prime is 269117969. The reversal of 269117939 is 939711962.

It is a cyclic number.

It is not a de Polignac number, because 269117939 - 28 = 269117683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 269117893 and 269117902.

It is not an unprimeable number, because it can be changed into a prime (269117929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156617 + ... + 158325.

It is an arithmetic number, because the mean of its divisors is an integer number (18237150).

Almost surely, 2269117939 is an apocalyptic number.

269117939 is a deficient number, since it is larger than the sum of its proper divisors (22676461).

269117939 is a wasteful number, since it uses less digits than its factorization.

269117939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its digits is 183708, while the sum is 47.

The square root of 269117939 is about 16404.8145067233. The cubic root of 269117939 is about 645.6258084961.

The spelling of 269117939 in words is "two hundred sixty-nine million, one hundred seventeen thousand, nine hundred thirty-nine".

Divisors: 1 17 59 157 1003 1709 2669 9263 29053 100831 157471 268313 1714127 4561321 15830467 269117939