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1030324520 = 23589289417
BaseRepresentation
bin111101011010011…
…000000100101000
32122210201220112102
4331122120010220
54102230341040
6250123232532
734350420401
oct7532300450
92583656472
101030324520
11489656075
12249078748
131355c6aa4
149aba29a8
15606c1515
hex3d698128

1030324520 has 32 divisors (see below), whose sum is σ = 2344285800. Its totient is φ = 407497728.

The previous prime is 1030324513. The next prime is 1030324531. The reversal of 1030324520 is 254230301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 692426596 + 337897924 = 26314^2 + 18382^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1030324492 and 1030324501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141149 + ... + 148268.

Almost surely, 21030324520 is an apocalyptic number.

1030324520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030324520 is an abundant number, since it is smaller than the sum of its proper divisors (1313961280).

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

1030324520 is a wasteful number, since it uses less digits than its factorization.

1030324520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289517 (or 289513 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1030324520 is about 32098.6685082107. The cubic root of 1030324520 is about 1010.0076854625.

Adding to 1030324520 its reverse (254230301), we get a palindrome (1284554821).

The spelling of 1030324520 in words is "one billion, thirty million, three hundred twenty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 89 178 356 445 712 890 1780 3560 289417 578834 1157668 1447085 2315336 2894170 5788340 11576680 25758113 51516226 103032452 128790565 206064904 257581130 515162260 1030324520