Search a number
-
+
268122764 = 227132113491
BaseRepresentation
bin11111111101100…
…11101010001100
3200200112001021202
433332303222030
51022114412024
642334445032
76434002010
oct1776635214
9620461252
10268122764
11128391668
1275963778
1343719530
1427876540
1518813bae
hexffb3a8c

268122764 has 48 divisors (see below), whose sum is σ = 580398336. Its totient is φ = 105537600.

The previous prime is 268122763. The next prime is 268122769. The reversal of 268122764 is 467221862.

It is not an unprimeable number, because it can be changed into a prime (268122763) 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, 75059 + ... + 78549.

It is an arithmetic number, because the mean of its divisors is an integer number (12091632).

Almost surely, 2268122764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268122764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290199168).

268122764 is an abundant number, since it is smaller than the sum of its proper divisors (312275572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268122764 is a wasteful number, since it uses less digits than its factorization.

268122764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726 (or 3724 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 268122764 is about 16374.4546168720. The cubic root of 268122764 is about 644.8290026043.

The spelling of 268122764 in words is "two hundred sixty-eight million, one hundred twenty-two thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 211 364 422 844 1477 2743 2954 3491 5486 5908 6982 10972 13964 19201 24437 38402 45383 48874 76804 90766 97748 181532 317681 635362 736601 1270724 1473202 2946404 5156207 9575813 10312414 19151626 20624828 38303252 67030691 134061382 268122764