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18026064 = 243471987
BaseRepresentation
bin100010011000…
…0111001010000
31020220211010000
41010300321100
514103313224
61442210000
7306135060
oct104607120
936824100
1018026064
11a1a2281
126053900
133971b14
1425733a0
1518b10c9
hex1130e50

18026064 has 100 divisors (see below), whose sum is σ = 59655904. Its totient is φ = 5147712.

The previous prime is 18026059. The next prime is 18026087. The reversal of 18026064 is 46062081.

18026064 = 1223 + 1233 + ... + 1303.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8079 + ... + 10065.

Almost surely, 218026064 is an apocalyptic number.

18026064 is a gapful number since it is divisible by the number (14) 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 18026064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29827952).

18026064 is an abundant number, since it is smaller than the sum of its proper divisors (41629840).

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

18026064 is a wasteful number, since it uses less digits than its factorization.

18026064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 18026064 is about 4245.7112478359. The cubic root of 18026064 is about 262.2005728666.

It can be divided in two parts, 180 and 26064, that added together give a square (26244 = 1622).

The spelling of 18026064 in words is "eighteen million, twenty-six thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 252 324 336 378 432 504 567 648 756 1008 1134 1296 1512 1987 2268 3024 3974 4536 5961 7948 9072 11922 13909 15896 17883 23844 27818 31792 35766 41727 47688 53649 55636 71532 83454 95376 107298 111272 125181 143064 160947 166908 214596 222544 250362 286128 321894 333816 375543 429192 500724 643788 667632 751086 858384 1001448 1126629 1287576 1502172 2002896 2253258 2575152 3004344 4506516 6008688 9013032 18026064