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18526230 = 2325205847
BaseRepresentation
bin100011010101…
…1000000010110
31021212020012200
41012223000112
514220314410
61501025330
7313320222
oct106530026
937766180
1018526230
11a504038
126255246
133ab8688
142663782
15195e3c0
hex11ab016

18526230 has 24 divisors (see below), whose sum is σ = 48168432. Its totient is φ = 4940304.

The previous prime is 18526199. The next prime is 18526231. The reversal of 18526230 is 3262581.

It is a junction number, because it is equal to n+sod(n) for n = 18526194 and 18526203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18526231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102834 + ... + 103013.

It is an arithmetic number, because the mean of its divisors is an integer number (2007018).

Almost surely, 218526230 is an apocalyptic number.

18526230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18526230 is an abundant number, since it is smaller than the sum of its proper divisors (29642202).

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

18526230 is a wasteful number, since it uses less digits than its factorization.

18526230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205860 (or 205857 counting only the distinct ones).

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

The square root of 18526230 is about 4304.2107290420. The cubic root of 18526230 is about 264.6035605398.

The spelling of 18526230 in words is "eighteen million, five hundred twenty-six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 205847 411694 617541 1029235 1235082 1852623 2058470 3087705 3705246 6175410 9263115 18526230