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12052523 = 73974337
BaseRepresentation
bin101101111110…
…100000101011
3211200022221202
4231332200223
511041140043
61110154415
7204305360
oct55764053
924608852
1012052523
11689226a
124052a0b
13265cb92
14185a467
1510d11b8
hexb7e82b

12052523 has 8 divisors (see below), whose sum is σ = 13812192. Its totient is φ = 10302336.

The previous prime is 12052489. The next prime is 12052543. The reversal of 12052523 is 32525021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12052523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12052495 and 12052504.

It is not an unprimeable number, because it can be changed into a prime (12052543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (1726524).

Almost surely, 212052523 is an apocalyptic number.

12052523 is a deficient number, since it is larger than the sum of its proper divisors (1759669).

12052523 is an equidigital number, since it uses as much as digits as its factorization.

12052523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 12052523 is about 3471.6743798922. The cubic root of 12052523 is about 229.2763836209.

Adding to 12052523 its reverse (32525021), we get a palindrome (44577544).

The spelling of 12052523 in words is "twelve million, fifty-two thousand, five hundred twenty-three".

Divisors: 1 7 397 2779 4337 30359 1721789 12052523