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220010 = 2572449
BaseRepresentation
bin110101101101101010
3102011210112
4311231222
524020020
64414322
71604300
oct655552
9364715
10220010
1114032a
12a73a2
13791ab
145a270
15452c5
hex35b6a

220010 has 24 divisors (see below), whose sum is σ = 461700. Its totient is φ = 75264.

The previous prime is 220009. The next prime is 220013. The reversal of 220010 is 10022.

It can be written as a sum of positive squares in 2 ways, for example, as 219961 + 49 = 469^2 + 7^2 .

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

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 219976 and 220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220013) 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 11 ways as a sum of consecutive naturals, for example, 266 + ... + 714.

2220010 is an apocalyptic number.

220010 is an abundant number, since it is smaller than the sum of its proper divisors (241690).

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

220010 is a wasteful number, since it uses less digits than its factorization.

220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 463 counting only the distinct ones).

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

The square root of 220010 is about 469.0522358970. The cubic root of 220010 is about 60.3690220224.

Adding to 220010 its reverse (10022), we get a palindrome (230032).

The spelling of 220010 in words is "two hundred twenty thousand, ten", and thus it is an iban number.

Divisors: 1 2 5 7 10 14 35 49 70 98 245 449 490 898 2245 3143 4490 6286 15715 22001 31430 44002 110005 220010