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226452018 = 231343107631
BaseRepresentation
bin11010111111101…
…10001000110010
3120210002221202210
431133312020302
5430432431033
634245352550
75416544652
oct1537661062
9523087683
10226452018
1110690a831
1263a08756
1337bb93a0
142210a362
1514d31d63
hexd7f6232

226452018 has 64 divisors (see below), whose sum is σ = 504548352. Its totient is φ = 67314240.

The previous prime is 226452011. The next prime is 226452041. The reversal of 226452018 is 810254622.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226452011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358563 + ... + 359193.

It is an arithmetic number, because the mean of its divisors is an integer number (7883568).

Almost surely, 2226452018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226452018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252274176).

226452018 is an abundant number, since it is smaller than the sum of its proper divisors (278096334).

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

226452018 is a wasteful number, since it uses less digits than its factorization.

226452018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 226452018 is about 15048.3227636837. The cubic root of 226452018 is about 609.5257605788.

The spelling of 226452018 in words is "two hundred twenty-six million, four hundred fifty-two thousand, eighteen".

Divisors: 1 2 3 6 13 26 39 43 78 86 107 129 214 258 321 559 631 642 1118 1262 1391 1677 1893 2782 3354 3786 4173 4601 8203 8346 9202 13803 16406 24609 27133 27606 49218 54266 59813 67517 81399 119626 135034 162798 179439 202551 352729 358878 405102 705458 877721 1058187 1755442 2116374 2633163 2903231 5266326 5806462 8709693 17419386 37742003 75484006 113226009 226452018