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226135312 = 24135373281
BaseRepresentation
bin11010111101010…
…00110100010000
3120202111212022221
431132220310100
5430342312222
634234510424
75414055424
oct1536506420
9522455287
10226135312
11106713897
1263895414
1337b081a0
1422066b84
1514cbd0c7
hexd7a8d10

226135312 has 80 divisors (see below), whose sum is σ = 489062448. Its totient is φ = 100638720.

The previous prime is 226135307. The next prime is 226135319. The reversal of 226135312 is 213531622.

It can be written as a sum of positive squares in 8 ways, for example, as 414736 + 225720576 = 644^2 + 15024^2 .

It is a super-4 number, since 4×2261353124 (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (226135319) 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, 804612 + ... + 804892.

Almost surely, 2226135312 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 226135312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244531224).

226135312 is an abundant number, since it is smaller than the sum of its proper divisors (262927136).

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

226135312 is a wasteful number, since it uses less digits than its factorization.

226135312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 422 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 226135312 is about 15037.7961151227. The cubic root of 226135312 is about 609.2414758844.

Adding to 226135312 its reverse (213531622), we get a palindrome (439666934).

It can be divided in two parts, 2261 and 35312, that added together give a palindrome (37573).

The spelling of 226135312 in words is "two hundred twenty-six million, one hundred thirty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 53 73 104 106 146 208 212 281 292 424 562 584 689 848 949 1124 1168 1378 1898 2248 2756 3653 3796 3869 4496 5512 7306 7592 7738 11024 14612 14893 15184 15476 20513 29224 29786 30952 41026 50297 58448 59572 61904 82052 100594 119144 164104 193609 201188 238288 266669 328208 387218 402376 533338 774436 804752 1066676 1087189 1548872 2133352 2174378 3097744 4266704 4348756 8697512 14133457 17395024 28266914 56533828 113067656 226135312