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1530002140 = 22576500107
BaseRepresentation
bin101101100110001…
…1111101011011100
310221121222011100221
41123030133223130
511113140032030
6411453131124
752625542432
oct13314375334
93847864327
101530002140
11715712287
12368489aa4
131b4c98214
141072b2d52
158e4c3e7a
hex5b31fadc

1530002140 has 12 divisors (see below), whose sum is σ = 3213004536. Its totient is φ = 612000848.

The previous prime is 1530002137. The next prime is 1530002141. The reversal of 1530002140 is 412000351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530002141) 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 3 ways as a sum of consecutive naturals, for example, 38250034 + ... + 38250073.

It is an arithmetic number, because the mean of its divisors is an integer number (267750378).

Almost surely, 21530002140 is an apocalyptic number.

1530002140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530002140 is an abundant number, since it is smaller than the sum of its proper divisors (1683002396).

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

1530002140 is a wasteful number, since it uses less digits than its factorization.

1530002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76500116 (or 76500114 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1530002140 is about 39115.2417862909. The cubic root of 1530002140 is about 1152.2958897466.

Adding to 1530002140 its reverse (412000351), we get a palindrome (1942002491).

The spelling of 1530002140 in words is "one billion, five hundred thirty million, two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 76500107 153000214 306000428 382500535 765001070 1530002140