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2135200 = 255217157
BaseRepresentation
bin1000001001010010100000
311000110221111
420021102200
51021311300
6113433104
724102034
oct10112240
94013844
102135200
111229231
1286b794
13599b42
143d81c4
152c29ba
hex2094a0

2135200 has 72 divisors (see below), whose sum is σ = 5554332. Its totient is φ = 798720.

The previous prime is 2135197. The next prime is 2135207. The reversal of 2135200 is 25312.

It can be written as a sum of positive squares in 6 ways, for example, as 853776 + 1281424 = 924^2 + 1132^2 .

It is not an unprimeable number, because it can be changed into a prime (2135207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13522 + ... + 13678.

22135200 is an apocalyptic number.

2135200 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 2135200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2777166).

2135200 is an abundant number, since it is smaller than the sum of its proper divisors (3419132).

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

2135200 is a wasteful number, since it uses less digits than its factorization.

2135200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2135200 is about 1461.2323566086. The cubic root of 2135200 is about 128.7694538110.

It can be divided in two parts, 2 and 135200, that multiplied together give a square (270400 = 5202).

The spelling of 2135200 in words is "two million, one hundred thirty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 157 160 170 200 272 314 340 400 425 544 628 680 785 800 850 1256 1360 1570 1700 2512 2669 2720 3140 3400 3925 5024 5338 6280 6800 7850 10676 12560 13345 13600 15700 21352 25120 26690 31400 42704 53380 62800 66725 85408 106760 125600 133450 213520 266900 427040 533800 1067600 2135200