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1031140200 = 233521718567
BaseRepresentation
bin111101011101011…
…111001101101000
32122212021100102210
4331131133031220
54102432441300
6250152525120
734360355436
oct7535371550
92585240383
101031140200
1148a062992
122493b07a0
1313582113c
149ad35d56
15607d3050
hex3d75f368

1031140200 has 48 divisors (see below), whose sum is σ = 3196536480. Its totient is φ = 274970560.

The previous prime is 1031140177. The next prime is 1031140207. The reversal of 1031140200 is 20411301.

It is a happy number.

It is a super-2 number, since 2×10311402002 = 2126500224112080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1031140207) by changing a digit.

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, 858684 + ... + 859883.

It is an arithmetic number, because the mean of its divisors is an integer number (66594510).

Almost surely, 21031140200 is an apocalyptic number.

1031140200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031140200 is an abundant number, since it is smaller than the sum of its proper divisors (2165396280).

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

1031140200 is a wasteful number, since it uses less digits than its factorization.

1031140200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718586 (or 1718577 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1031140200 is about 32111.3718174730. The cubic root of 1031140200 is about 1010.2741470623.

Adding to 1031140200 its reverse (20411301), we get a palindrome (1051551501).

The spelling of 1031140200 in words is "one billion, thirty-one million, one hundred forty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 1718567 3437134 5155701 6874268 8592835 10311402 13748536 17185670 20622804 25778505 34371340 41245608 42964175 51557010 68742680 85928350 103114020 128892525 171856700 206228040 257785050 343713400 515570100 1031140200