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226626864 = 243173312
BaseRepresentation
bin11011000001000…
…00110100110000
3120210102211121120
431200200310300
5431004024424
634253222240
75421203502
oct1540406460
9523384546
10226626864
11106a1a132
1263a91980
1337c4ab49
1422153d72
1514d68a79
hexd820d30

226626864 has 120 divisors (see below), whose sum is σ = 642749040. Its totient is φ = 68805120.

The previous prime is 226626863. The next prime is 226626877. The reversal of 226626864 is 468626622.

It is a happy number.

It is a super-3 number, since 3×2266268643 (a number of 26 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (226626863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7310529 + ... + 7310559.

It is an arithmetic number, because the mean of its divisors is an integer number (5356242).

Almost surely, 2226626864 is an apocalyptic number.

226626864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226626864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321374520).

226626864 is an abundant number, since it is smaller than the sum of its proper divisors (416122176).

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

226626864 is an equidigital number, since it uses as much as digits as its factorization.

226626864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 53 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 226626864 is about 15054.1311273683. The cubic root of 226626864 is about 609.6825939853.

The spelling of 226626864 in words is "two hundred twenty-six million, six hundred twenty-six thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 31 34 48 51 62 68 93 102 124 136 186 204 248 272 289 372 408 496 527 578 744 816 867 961 1054 1156 1488 1581 1734 1922 2108 2312 2883 3162 3468 3844 4216 4624 4913 5766 6324 6936 7688 8432 8959 9826 11532 12648 13872 14739 15376 16337 17918 19652 23064 25296 26877 29478 32674 35836 39304 46128 49011 53754 58956 65348 71672 78608 98022 107508 117912 130696 143344 152303 196044 215016 235824 261392 277729 304606 392088 430032 456909 555458 609212 784176 833187 913818 1110916 1218424 1666374 1827636 2221832 2436848 3332748 3655272 4443664 4721393 6665496 7310544 9442786 13330992 14164179 18885572 28328358 37771144 56656716 75542288 113313432 226626864