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20124003 = 313948259
BaseRepresentation
bin100110011000…
…1000101100011
31101212101221110
41030301011203
520122432003
61555154403
7333023364
oct114610543
941771843
1020124003
11103a5509
1268a5a03
1342279c3
14295bb6b
151b77a03
hex1331163

20124003 has 8 divisors (see below), whose sum is σ = 27025600. Its totient is φ = 13319208.

The previous prime is 20123959. The next prime is 20124007. The reversal of 20124003 is 30042102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20124003 - 210 = 20122979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20124003.

It is not an unprimeable number, because it can be changed into a prime (20124007) 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 7 ways as a sum of consecutive naturals, for example, 23713 + ... + 24546.

It is an arithmetic number, because the mean of its divisors is an integer number (3378200).

Almost surely, 220124003 is an apocalyptic number.

20124003 is a deficient number, since it is larger than the sum of its proper divisors (6901597).

20124003 is a wasteful number, since it uses less digits than its factorization.

20124003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48401.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20124003 is about 4485.9784885797. The cubic root of 20124003 is about 272.0015994355.

Adding to 20124003 its reverse (30042102), we get a palindrome (50166105).

The spelling of 20124003 in words is "twenty million, one hundred twenty-four thousand, three".

Divisors: 1 3 139 417 48259 144777 6708001 20124003