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12072524 = 2219158849
BaseRepresentation
bin101110000011…
…011001001100
3211201100101112
4232003121030
511042310044
61110431152
7204420602
oct56033114
924640345
1012072524
1168a62a2
1240624b8
132669009
141863872
1510d709e
hexb8364c

12072524 has 12 divisors (see below), whose sum is σ = 22239000. Its totient is φ = 5718528.

The previous prime is 12072517. The next prime is 12072553. The reversal of 12072524 is 42527021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12072524.

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 3 ways as a sum of consecutive naturals, for example, 79349 + ... + 79500.

It is an arithmetic number, because the mean of its divisors is an integer number (1853250).

Almost surely, 212072524 is an apocalyptic number.

It is an amenable number.

12072524 is a deficient number, since it is larger than the sum of its proper divisors (10166476).

12072524 is a wasteful number, since it uses less digits than its factorization.

12072524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158872 (or 158870 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12072524 is about 3474.5537843009. The cubic root of 12072524 is about 229.4031405558.

Adding to 12072524 its reverse (42527021), we get a palindrome (54599545).

The spelling of 12072524 in words is "twelve million, seventy-two thousand, five hundred twenty-four".

Divisors: 1 2 4 19 38 76 158849 317698 635396 3018131 6036262 12072524