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212064430 = 2521206443
BaseRepresentation
bin11001010001111…
…01100010101110
3112210000222201011
430220331202232
5413242030210
633013135434
75153342434
oct1450754256
9483028634
10212064430
11a9783166
125b02a57a
1334c1c716
1420242d54
151393dd8a
hexca3d8ae

212064430 has 8 divisors (see below), whose sum is σ = 381715992. Its totient is φ = 84825768.

The previous prime is 212064421. The next prime is 212064431. The reversal of 212064430 is 34460212.

It is a happy number.

212064430 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 (212064431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10603212 + ... + 10603231.

It is an arithmetic number, because the mean of its divisors is an integer number (47714499).

Almost surely, 2212064430 is an apocalyptic number.

212064430 is a deficient number, since it is larger than the sum of its proper divisors (169651562).

212064430 is a wasteful number, since it uses less digits than its factorization.

212064430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21206450.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 212064430 is about 14562.4321457647. The cubic root of 212064430 is about 596.3335951309. Note that the first 3 decimals are identical.

The spelling of 212064430 in words is "two hundred twelve million, sixty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 21206443 42412886 106032215 212064430