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1050220 = 22552511
BaseRepresentation
bin100000000011001101100
31222100122001
410000121230
5232101340
634302044
711632603
oct4003154
91870561
101050220
11658056
12427924
132aa042
141d4a3a
1515b29a
hex10066c

1050220 has 12 divisors (see below), whose sum is σ = 2205504. Its totient is φ = 420080.

The previous prime is 1050197. The next prime is 1050229. The reversal of 1050220 is 220501.

It is a super-2 number, since 2×10502202 = 2205924096800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1050197 and 1050206.

It is not an unprimeable number, because it can be changed into a prime (1050229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26236 + ... + 26275.

It is an arithmetic number, because the mean of its divisors is an integer number (183792).

21050220 is an apocalyptic number.

1050220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050220 is an abundant number, since it is smaller than the sum of its proper divisors (1155284).

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

1050220 is a wasteful number, since it uses less digits than its factorization.

1050220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52520 (or 52518 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1050220 is about 1024.8024199815. The cubic root of 1050220 is about 101.6467338270.

Adding to 1050220 its reverse (220501), we get a palindrome (1270721).

The spelling of 1050220 in words is "one million, fifty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 52511 105022 210044 262555 525110 1050220