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2201000 = 23533171
BaseRepresentation
bin1000011001010110101000
311010211012112
420121112220
51030413000
6115101452
724464624
oct10312650
94124175
102201000
11127370a
128a1888
135c0a89
14414184
152d7235
hex2195a8

2201000 has 64 divisors (see below), whose sum is σ = 5391360. Its totient is φ = 840000.

The previous prime is 2200997. The next prime is 2201033. The reversal of 2201000 is 1022.

Adding to 2201000 its reverse (1022), we get a palindrome (2202022).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30965 + ... + 31035.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

22201000 is an apocalyptic number.

2201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2695680).

2201000 is an abundant number, since it is smaller than the sum of its proper divisors (3190360).

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

2201000 is a wasteful number, since it uses less digits than its factorization.

2201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 109 counting only the distinct ones).

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

The square root of 2201000 is about 1483.5767590523. The cubic root of 2201000 is about 130.0788476312.

The spelling of 2201000 in words is "two million, two hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 71 100 124 125 142 155 200 248 250 284 310 355 500 568 620 710 775 1000 1240 1420 1550 1775 2201 2840 3100 3550 3875 4402 6200 7100 7750 8804 8875 11005 14200 15500 17608 17750 22010 31000 35500 44020 55025 71000 88040 110050 220100 275125 440200 550250 1100500 2201000