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212275270 = 2521227527
BaseRepresentation
bin11001010011100…
…01000001000110
3112210102200221001
430221301001012
5413320302040
633021443514
75155211224
oct1451610106
9483380831
10212275270
11a9907609
125b11059a
1334c9468c
1420299b14
151398159a
hexca71046

212275270 has 8 divisors (see below), whose sum is σ = 382095504. Its totient is φ = 84910104.

The previous prime is 212275249. The next prime is 212275279. The reversal of 212275270 is 72572212.

212275270 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212275279) by changing a digit.

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, 10613754 + ... + 10613773.

It is an arithmetic number, because the mean of its divisors is an integer number (47761938).

Almost surely, 2212275270 is an apocalyptic number.

212275270 is a deficient number, since it is larger than the sum of its proper divisors (169820234).

212275270 is a wasteful number, since it uses less digits than its factorization.

212275270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21227534.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 212275270 is about 14569.6695226762. The cubic root of 212275270 is about 596.5311598205.

The spelling of 212275270 in words is "two hundred twelve million, two hundred seventy-five thousand, two hundred seventy".

Divisors: 1 2 5 10 21227527 42455054 106137635 212275270