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1220150 = 252231061
BaseRepresentation
bin100101001111000110110
32021222201202
410221320312
5303021100
642052502
713241201
oct4517066
92258652
101220150
11763798
124aa132
133394a9
1423a938
151917d5
hex129e36

1220150 has 24 divisors (see below), whose sum is σ = 2370384. Its totient is φ = 466400.

The previous prime is 1220147. The next prime is 1220171. The reversal of 1220150 is 510221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 620 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (98766).

21220150 is an apocalyptic number.

1220150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220150 is a deficient number, since it is larger than the sum of its proper divisors (1150234).

1220150 is a wasteful number, since it uses less digits than its factorization.

1220150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1220150 is about 1104.6040014412. The cubic root of 1220150 is about 106.8573520556.

Adding to 1220150 its reverse (510221), we get a palindrome (1730371).

The spelling of 1220150 in words is "one million, two hundred twenty thousand, one hundred fifty".

Divisors: 1 2 5 10 23 25 46 50 115 230 575 1061 1150 2122 5305 10610 24403 26525 48806 53050 122015 244030 610075 1220150