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212420410 = 2523923567
BaseRepresentation
bin11001010100101…
…00011100111010
3112210201002000121
430222110130322
5413334423120
633024523454
75156354326
oct1452243472
9483632017
10212420410
11a99a6664
125b18058a
1335015767
14202d6986
15139ae5aa
hexca9473a

212420410 has 16 divisors (see below), whose sum is σ = 398981376. Its totient is φ = 81273808.

The previous prime is 212420407. The next prime is 212420413. The reversal of 212420410 is 14024212.

212420410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212420407) and next prime (212420413).

It is not an unprimeable number, because it can be changed into a prime (212420413) 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, 461554 + ... + 462013.

It is an arithmetic number, because the mean of its divisors is an integer number (24936336).

Almost surely, 2212420410 is an apocalyptic number.

212420410 is a deficient number, since it is larger than the sum of its proper divisors (186560966).

212420410 is a wasteful number, since it uses less digits than its factorization.

212420410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923597.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212420410 is about 14574.6495669707. The cubic root of 212420410 is about 596.6670852273.

Adding to 212420410 its reverse (14024212), we get a palindrome (226444622).

The spelling of 212420410 in words is "two hundred twelve million, four hundred twenty thousand, four hundred ten".

Divisors: 1 2 5 10 23 46 115 230 923567 1847134 4617835 9235670 21242041 42484082 106210205 212420410