Search a number
-
+
18825852 = 22314910529
BaseRepresentation
bin100011111010…
…0001001111100
31022102110012210
41013310021330
514304411402
61511300420
7316005603
oct107641174
938373183
1018825852
11a699161
12637a710
133b91b76
142700a3a
1519bd06c
hex11f427c

18825852 has 24 divisors (see below), whose sum is σ = 44226000. Its totient is φ = 6232576.

The previous prime is 18825841. The next prime is 18825869. The reversal of 18825852 is 25852881.

It is a self number, because there is not a number n which added to its sum of digits gives 18825852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477 + ... + 7052.

It is an arithmetic number, because the mean of its divisors is an integer number (1842750).

Almost surely, 218825852 is an apocalyptic number.

18825852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18825852 is an abundant number, since it is smaller than the sum of its proper divisors (25400148).

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

18825852 is a wasteful number, since it uses less digits than its factorization.

18825852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10685 (or 10683 counting only the distinct ones).

The product of its digits is 51200, while the sum is 39.

The square root of 18825852 is about 4338.8768131856. The cubic root of 18825852 is about 266.0224037512.

The spelling of 18825852 in words is "eighteen million, eight hundred twenty-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 10529 21058 31587 42116 63174 126348 1568821 3137642 4706463 6275284 9412926 18825852