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18098124 = 22311167821
BaseRepresentation
bin100010100001…
…0011111001100
31021001110221220
41011002133030
514113114444
61443523340
7306555132
oct105023714
937043856
1018098124
11a241430
126089550
133998865
142591752
1518c7619
hex11427cc

18098124 has 48 divisors (see below), whose sum is σ = 46400256. Its totient is φ = 5444800.

The previous prime is 18098123. The next prime is 18098131. The reversal of 18098124 is 42189081.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (18098123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21634 + ... + 22454.

It is an arithmetic number, because the mean of its divisors is an integer number (966672).

Almost surely, 218098124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18098124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23200128).

18098124 is an abundant number, since it is smaller than the sum of its proper divisors (28302132).

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

18098124 is a wasteful number, since it uses less digits than its factorization.

18098124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 18098124 is about 4254.1889943913. The cubic root of 18098124 is about 262.5494945221.

The spelling of 18098124 in words is "eighteen million, ninety-eight thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 167 334 501 668 821 1002 1642 1837 2004 2463 3284 3674 4926 5511 7348 9031 9852 11022 18062 22044 27093 36124 54186 108372 137107 274214 411321 548428 822642 1508177 1645284 3016354 4524531 6032708 9049062 18098124