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1530012 = 2231167173
BaseRepresentation
bin101110101100010011100
32212201210010
411311202130
5342430022
652443220
716001451
oct5654234
92781703
101530012
11955580
12619510
13417543
142bb828
1520350c
hex17589c

1530012 has 48 divisors (see below), whose sum is σ = 3975552. Its totient is φ = 454080.

The previous prime is 1529989. The next prime is 1530019. The reversal of 1530012 is 2100351.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1530012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8758 + ... + 8930.

It is an arithmetic number, because the mean of its divisors is an integer number (82824).

21530012 is an apocalyptic number.

1530012 is a gapful number since it is divisible by the number (12) 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 1530012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987776).

1530012 is an abundant number, since it is smaller than the sum of its proper divisors (2445540).

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

1530012 is a wasteful number, since it uses less digits than its factorization.

1530012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1530012 is about 1236.9365383883. The cubic root of 1530012 is about 115.2298365040.

Adding to 1530012 its reverse (2100351), we get a palindrome (3630363).

The spelling of 1530012 in words is "one million, five hundred thirty thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 67 132 134 173 201 268 346 402 519 692 737 804 1038 1474 1903 2076 2211 2948 3806 4422 5709 7612 8844 11418 11591 22836 23182 34773 46364 69546 127501 139092 255002 382503 510004 765006 1530012