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1030320000 = 27355453
BaseRepresentation
bin111101011010010…
…110111110000000
32122210201200100000
4331122112332000
54102230220000
6250123200000
734350401253
oct7532267600
92583650300
101030320000
11489652736
12249076000
131355c4a08
149aba109a
15606c0000
hex3d696f80

1030320000 has 480 divisors, whose sum is σ = 3914590680. Its totient is φ = 269568000.

The previous prime is 1030319959. The next prime is 1030320001. The reversal of 1030320000 is 230301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030320001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19439974 + ... + 19440026.

Almost surely, 21030320000 is an apocalyptic number.

1030320000 is a gapful number since it is divisible by the number (10) 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 1030320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957295340).

1030320000 is an abundant number, since it is smaller than the sum of its proper divisors (2884270680).

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

1030320000 is an frugal number, since it uses more digits than its factorization.

1030320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1030320000 is about 32098.5981002286. The cubic root of 1030320000 is about 1010.0062085035.

Adding to 1030320000 its reverse (230301), we get a palindrome (1030550301).

It can be divided in two parts, 10303 and 20000, that added together give a palindrome (30303).

The spelling of 1030320000 in words is "one billion, thirty million, three hundred twenty thousand".