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1530323320 = 23538258083
BaseRepresentation
bin101101100110110…
…1110000101111000
310221122120110221111
41123031232011320
511113230321240
6411504050104
752631351011
oct13315560570
93848513844
101530323320
11715911619
12368603934
131b507b476
14107358008
158e5391ea
hex5b36e178

1530323320 has 16 divisors (see below), whose sum is σ = 3443227560. Its totient is φ = 612129312.

The previous prime is 1530323317. The next prime is 1530323321. The reversal of 1530323320 is 233230351.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1530323291 and 1530323300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530323321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19129002 + ... + 19129081.

Almost surely, 21530323320 is an apocalyptic number.

1530323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530323320 is an abundant number, since it is smaller than the sum of its proper divisors (1912904240).

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

1530323320 is a wasteful number, since it uses less digits than its factorization.

1530323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38258094 (or 38258090 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 1530323320 is about 39119.3471315665. The cubic root of 1530323320 is about 1152.3765145793.

Adding to 1530323320 its reverse (233230351), we get a palindrome (1763553671).

The spelling of 1530323320 in words is "one billion, five hundred thirty million, three hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 38258083 76516166 153032332 191290415 306064664 382580830 765161660 1530323320