Search a number
-
+
20103024 = 243418813
BaseRepresentation
bin100110010101…
…1111101110000
31101211100011110
41030223331300
520121244044
61554513320
7332605254
oct114537560
941740143
1020103024
1110390777
126895840
13421b2a6
142954264
151b716b9
hex132bf70

20103024 has 20 divisors (see below), whose sum is σ = 51932936. Its totient is φ = 6700992.

The previous prime is 20102983. The next prime is 20103047. The reversal of 20103024 is 42030102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209359 + ... + 209454.

Almost surely, 220103024 is an apocalyptic number.

20103024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20103024 is an abundant number, since it is smaller than the sum of its proper divisors (31829912).

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

20103024 is a wasteful number, since it uses less digits than its factorization.

20103024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418824 (or 418818 counting only the distinct ones).

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

The square root of 20103024 is about 4483.6395930092. The cubic root of 20103024 is about 271.9070472462.

Adding to 20103024 its reverse (42030102), we get a palindrome (62133126).

The spelling of 20103024 in words is "twenty million, one hundred three thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 418813 837626 1256439 1675252 2512878 3350504 5025756 6701008 10051512 20103024