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1001442200 = 235211455201
BaseRepresentation
bin111011101100001…
…100101110011000
32120210101112102212
4323230030232120
54022332122300
6243212214252
733550055363
oct7354145630
92523345385
101001442200
11474319390
1223b46a388
1312c623765
14970050da
155cdb8935
hex3bb0cb98

1001442200 has 48 divisors (see below), whose sum is σ = 2540027160. Its totient is φ = 364160000.

The previous prime is 1001442199. The next prime is 1001442203. The reversal of 1001442200 is 22441001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001442203) 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, 225401 + ... + 229800.

Almost surely, 21001442200 is an apocalyptic number.

1001442200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001442200 is an abundant number, since it is smaller than the sum of its proper divisors (1538584960).

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

1001442200 is a wasteful number, since it uses less digits than its factorization.

1001442200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455228 (or 455219 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1001442200 is about 31645.5715701265. The cubic root of 1001442200 is about 1000.4805024138.

Adding to 1001442200 its reverse (22441001), we get a palindrome (1023883201).

The spelling of 1001442200 in words is "one billion, one million, four hundred forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 455201 910402 1820804 2276005 3641608 4552010 5007211 9104020 10014422 11380025 18208040 20028844 22760050 25036055 40057688 45520100 50072110 91040200 100144220 125180275 200288440 250360550 500721100 1001442200