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749798226 = 232172699109
BaseRepresentation
bin101100101100010…
…000001101010010
31221020212200210200
4230230100031102
53013422020401
6202222440030
724403115442
oct5454201522
91836780720
10749798226
11355272561
1218b133016
13bc4569b8
147181c122
1545c5c686
hex2cb10352

749798226 has 48 divisors (see below), whose sum is σ = 1726709400. Its totient is φ = 234330624.

The previous prime is 749798213. The next prime is 749798233. The reversal of 749798226 is 622897947.

It can be written as a sum of positive squares in 4 ways, for example, as 416772225 + 333026001 = 20415^2 + 18249^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77760 + ... + 86868.

Almost surely, 2749798226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749798226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863354700).

749798226 is an abundant number, since it is smaller than the sum of its proper divisors (976911174).

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

749798226 is a wasteful number, since it uses less digits than its factorization.

749798226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403 (or 9400 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 749798226 is about 27382.4437550778. The cubic root of 749798226 is about 908.4788118438.

The spelling of 749798226 in words is "seven hundred forty-nine million, seven hundred ninety-eight thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 269 306 538 807 1614 2421 4573 4842 9109 9146 13719 18218 27327 27438 41157 54654 81981 82314 154853 163962 309706 464559 929118 1393677 2450321 2787354 4900642 7350963 14701926 22052889 41655457 44105778 83310914 124966371 249932742 374899113 749798226