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20110248 = 233393103
BaseRepresentation
bin100110010110…
…1101110101000
31101211201002000
41030231232220
520122011443
61555011000
7332635314
oct114555650
941751060
1020110248
1110396144
126899a60
134221672
142956b44
151b738d3
hex132dba8

20110248 has 32 divisors (see below), whose sum is σ = 55862400. Its totient is φ = 6703344.

The previous prime is 20110243. The next prime is 20110273. The reversal of 20110248 is 84201102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 20110248.

It is not an unprimeable number, because it can be changed into a prime (20110241) by changing a digit.

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, 46336 + ... + 46767.

It is an arithmetic number, because the mean of its divisors is an integer number (1745700).

Almost surely, 220110248 is an apocalyptic number.

It is an amenable number.

20110248 is an abundant number, since it is smaller than the sum of its proper divisors (35752152).

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

20110248 is a wasteful number, since it uses less digits than its factorization.

20110248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93118 (or 93108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 20110248 is about 4484.4451161766. The cubic root of 20110248 is about 271.9396131804.

The spelling of 20110248 in words is "twenty million, one hundred ten thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 93103 186206 279309 372412 558618 744824 837927 1117236 1675854 2234472 2513781 3351708 5027562 6703416 10055124 20110248