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3031220200 = 235241369661
BaseRepresentation
bin1011010010101100…
…1011111111101000
321211020202221101211
42310223023333220
522201443021300
61220441322504
7135054642451
oct26453137750
97736687354
103031220200
111316054668
12707196434
13393cc5a28
1420a812128
1512b1ae4ba
hexb4acbfe8

3031220200 has 48 divisors (see below), whose sum is σ = 7219498860. Its totient is φ = 1182912000.

The previous prime is 3031220183. The next prime is 3031220237. The reversal of 3031220200 is 20221303.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 95531076 + 2935689124 = 9774^2 + 54182^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176631 + ... + 193030.

Almost surely, 23031220200 is an apocalyptic number.

It is an amenable number.

3031220200 is an abundant number, since it is smaller than the sum of its proper divisors (4188278660).

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

3031220200 is a wasteful number, since it uses less digits than its factorization.

3031220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369718 (or 369709 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3031220200 is about 55056.5182335389. The cubic root of 3031220200 is about 1447.2353504291.

Adding to 3031220200 its reverse (20221303), we get a palindrome (3051441503).

The spelling of 3031220200 in words is "three billion, thirty-one million, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 328 410 820 1025 1640 2050 4100 8200 369661 739322 1478644 1848305 2957288 3696610 7393220 9241525 14786440 15156101 18483050 30312202 36966100 60624404 73932200 75780505 121248808 151561010 303122020 378902525 606244040 757805050 1515610100 3031220200