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212566201 = 2958712487
BaseRepresentation
bin11001010101110…
…00000010111001
3112210222111000021
430222320002321
5413404104301
633032010441
75160532351
oct1452700271
9483874007
10212566201
11a9a96151
125b230a21
1335066c23
1420333b61
15139dc8a1
hexcab80b9

212566201 has 8 divisors (see below), whose sum is σ = 220288320. Its totient is φ = 204870288.

The previous prime is 212566177. The next prime is 212566267. The reversal of 212566201 is 102665212.

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

It is a cyclic number.

It is not a de Polignac number, because 212566201 - 213 = 212558009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212564201) by changing a digit.

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, 10780 + ... + 23266.

It is an arithmetic number, because the mean of its divisors is an integer number (27536040).

Almost surely, 2212566201 is an apocalyptic number.

It is an amenable number.

212566201 is a deficient number, since it is larger than the sum of its proper divisors (7722119).

212566201 is a wasteful number, since it uses less digits than its factorization.

212566201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13103.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 212566201 is about 14579.6502358596. The cubic root of 212566201 is about 596.8035579852.

The spelling of 212566201 in words is "two hundred twelve million, five hundred sixty-six thousand, two hundred one".

Divisors: 1 29 587 12487 17023 362123 7329869 212566201