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18034980 = 2235300583
BaseRepresentation
bin100010011001…
…1000100100100
31020221021100020
41010303010210
514104104410
61442315140
7306203055
oct104630444
936837306
1018034980
11a1a8a47
126058ab0
133975bb2
14257672c
1518b3a70
hex1133124

18034980 has 24 divisors (see below), whose sum is σ = 50498112. Its totient is φ = 4809312.

The previous prime is 18034969. The next prime is 18034997. The reversal of 18034980 is 8943081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150232 + ... + 150351.

It is an arithmetic number, because the mean of its divisors is an integer number (2104088).

Almost surely, 218034980 is an apocalyptic number.

18034980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18034980 is an abundant number, since it is smaller than the sum of its proper divisors (32463132).

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

18034980 is a wasteful number, since it uses less digits than its factorization.

18034980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300595 (or 300593 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 18034980 is about 4246.7611187822. The cubic root of 18034980 is about 262.2437953726.

The spelling of 18034980 in words is "eighteen million, thirty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 300583 601166 901749 1202332 1502915 1803498 3005830 3606996 4508745 6011660 9017490 18034980