Search a number
-
+
10000220 = 2251074673
BaseRepresentation
bin100110001001…
…011101011100
3200211001201112
4212021131130
510030001340
6554201152
7151000106
oct46113534
920731645
1010000220
11571034a
1234231b8
1320c19b9
141484576
15d28065
hex98975c

10000220 has 24 divisors (see below), whose sum is σ = 21201264. Its totient is φ = 3961856.

The previous prime is 10000189. The next prime is 10000223. The reversal of 10000220 is 2200001.

10000220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197 + ... + 4476.

It is an arithmetic number, because the mean of its divisors is an integer number (883386).

Almost surely, 210000220 is an apocalyptic number.

10000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000220 is an abundant number, since it is smaller than the sum of its proper divisors (11201044).

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

10000220 is a wasteful number, since it uses less digits than its factorization.

10000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4789 (or 4787 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 10000220 is about 3162.3124450313. The cubic root of 10000220 is about 215.4450489104.

Adding to 10000220 its reverse (2200001), we get a palindrome (12200221).

The spelling of 10000220 in words is "ten million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 4673 9346 18692 23365 46730 93460 500011 1000022 2000044 2500055 5000110 10000220