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18035226 = 23211791153
BaseRepresentation
bin100010011001…
…1001000011010
31020221021200100
41010303020122
514104111401
61442320230
7306203556
oct104631032
936837610
1018035226
11a1a9150
126059076
133976041
142576866
1518b3b86
hex113321a

18035226 has 48 divisors (see below), whose sum is σ = 43205760. Its totient is φ = 5391360.

The previous prime is 18035221. The next prime is 18035231. The reversal of 18035226 is 62253081.

It is an interprime number because it is at equal distance from previous prime (18035221) and next prime (18035231).

It is a self number, because there is not a number n which added to its sum of digits gives 18035226.

It is not an unprimeable number, because it can be changed into a prime (18035221) 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, 15066 + ... + 16218.

It is an arithmetic number, because the mean of its divisors is an integer number (900120).

Almost surely, 218035226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18035226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21602880).

18035226 is an abundant number, since it is smaller than the sum of its proper divisors (25170534).

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

18035226 is a wasteful number, since it uses less digits than its factorization.

18035226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 18035226 is about 4246.7900819325. The cubic root of 18035226 is about 262.2449877162.

The spelling of 18035226 in words is "eighteen million, thirty-five thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 79 99 158 198 237 474 711 869 1153 1422 1738 2306 2607 3459 5214 6918 7821 10377 12683 15642 20754 25366 38049 76098 91087 114147 182174 228294 273261 546522 819783 1001957 1639566 2003914 3005871 6011742 9017613 18035226