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12052865 = 511219143
BaseRepresentation
bin101101111110…
…100110000001
3211200100102102
4231332212001
511041142430
61110200145
7204306356
oct55764601
924610372
1012052865
116892550
124053055
132660096
14185a62d
1510d1345
hexb7e981

12052865 has 8 divisors (see below), whose sum is σ = 15778368. Its totient is φ = 8765680.

The previous prime is 12052853. The next prime is 12052877. The reversal of 12052865 is 56825021.

It is an interprime number because it is at equal distance from previous prime (12052853) and next prime (12052877).

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

It is not a de Polignac number, because 12052865 - 210 = 12051841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109517 + ... + 109626.

It is an arithmetic number, because the mean of its divisors is an integer number (1972296).

Almost surely, 212052865 is an apocalyptic number.

It is an amenable number.

12052865 is a deficient number, since it is larger than the sum of its proper divisors (3725503).

12052865 is a wasteful number, since it uses less digits than its factorization.

12052865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219159.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 12052865 is about 3471.7236353143. The cubic root of 12052865 is about 229.2785522341.

Adding to 12052865 its reverse (56825021), we get a palindrome (68877886).

The spelling of 12052865 in words is "twelve million, fifty-two thousand, eight hundred sixty-five".

Divisors: 1 5 11 55 219143 1095715 2410573 12052865