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1530252 = 22344723
BaseRepresentation
bin101110101100110001100
32212202010000
411311212030
5342432002
652444300
716002243
oct5654614
92782100
101530252
11955779
12619690
13417699
142bb95a
1520361c
hex17598c

1530252 has 30 divisors (see below), whose sum is σ = 4001228. Its totient is φ = 509976.

The previous prime is 1530233. The next prime is 1530281. The reversal of 1530252 is 2520351.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 2038 + ... + 2685.

21530252 is an apocalyptic number.

1530252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1530252 is an abundant number, since it is smaller than the sum of its proper divisors (2470976).

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

1530252 is a wasteful number, since it uses less digits than its factorization.

1530252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4728 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1530252 is about 1237.0335484537. The cubic root of 1530252 is about 115.2358612312.

Subtracting 1530252 from its reverse (2520351), we obtain a palindrome (990099).

The spelling of 1530252 in words is "one million, five hundred thirty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 4723 9446 14169 18892 28338 42507 56676 85014 127521 170028 255042 382563 510084 765126 1530252