Search a number
-
+
2428200 = 2332521971
BaseRepresentation
bin1001010000110100101000
311120100212100
421100310220
51110200300
6124013400
726432205
oct11206450
94510770
102428200
111409385
12991260
13670308
14472cac
1532e700
hex250d28

2428200 has 144 divisors (see below), whose sum is σ = 8704800. Its totient is φ = 604800.

The previous prime is 2428189. The next prime is 2428207. The reversal of 2428200 is 28242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34165 + ... + 34235.

It is an arithmetic number, because the mean of its divisors is an integer number (60450).

22428200 is an apocalyptic number.

2428200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2428200 is the 900-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2428200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4352400).

2428200 is an abundant number, since it is smaller than the sum of its proper divisors (6276600).

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

2428200 is a wasteful number, since it uses less digits than its factorization.

2428200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2428200 is about 1558.2682695865. The cubic root of 2428200 is about 134.4089386062.

It can be divided in two parts, 2428 and 200, that added together give a triangular number (2628 = T72).

The spelling of 2428200 in words is "two million, four hundred twenty-eight thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 25 30 36 38 40 45 50 57 60 71 72 75 76 90 95 100 114 120 142 150 152 171 180 190 200 213 225 228 284 285 300 342 355 360 380 426 450 456 475 568 570 600 639 684 710 760 852 855 900 950 1065 1140 1278 1349 1368 1420 1425 1704 1710 1775 1800 1900 2130 2280 2556 2698 2840 2850 3195 3420 3550 3800 4047 4260 4275 5112 5325 5396 5700 6390 6745 6840 7100 8094 8520 8550 10650 10792 11400 12141 12780 13490 14200 15975 16188 17100 20235 21300 24282 25560 26980 31950 32376 33725 34200 40470 42600 48564 53960 60705 63900 67450 80940 97128 101175 121410 127800 134900 161880 202350 242820 269800 303525 404700 485640 607050 809400 1214100 2428200