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269112085 = 51131157837
BaseRepresentation
bin10000000010100…
…101001100010101
3200202101022101021
4100002211030111
51022343041320
642412001141
76445262224
oct2002451425
9622338337
10269112085
111289a7990
12761601b1
13439a4928
1427a52cbb
151895bdaa
hex100a5315

269112085 has 16 divisors (see below), whose sum is σ = 363658752. Its totient is φ = 189403200.

The previous prime is 269112037. The next prime is 269112089. The reversal of 269112085 is 580211962.

It is not a de Polignac number, because 269112085 - 213 = 269103893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 269112085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269112089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77214 + ... + 80623.

It is an arithmetic number, because the mean of its divisors is an integer number (22728672).

Almost surely, 2269112085 is an apocalyptic number.

It is an amenable number.

269112085 is a deficient number, since it is larger than the sum of its proper divisors (94546667).

269112085 is a wasteful number, since it uses less digits than its factorization.

269112085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157884.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 269112085 is about 16404.6360825225. The cubic root of 269112085 is about 645.6211271274.

The spelling of 269112085 in words is "two hundred sixty-nine million, one hundred twelve thousand, eighty-five".

Divisors: 1 5 11 31 55 155 341 1705 157837 789185 1736207 4892947 8681035 24464735 53822417 269112085