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212004141 = 389794023
BaseRepresentation
bin11001010001011…
…10110100101101
3112202220221000020
430220232310231
5413233113031
633011552353
75153001606
oct1450566455
9482827006
10212004141
11a9741938
125abbb6b9
1334bcb14b
1420228dad
151392b096
hexca2ed2d

212004141 has 8 divisors (see below), whose sum is σ = 285848640. Its totient is φ = 139747872.

The previous prime is 212004139. The next prime is 212004167. The reversal of 212004141 is 141400212.

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

It is not a de Polignac number, because 212004141 - 21 = 212004139 is a prime.

It is a super-2 number, since 2×2120041412 = 89891511602295762, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212004141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212004101) 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, 396745 + ... + 397278.

It is an arithmetic number, because the mean of its divisors is an integer number (35731080).

Almost surely, 2212004141 is an apocalyptic number.

It is an amenable number.

212004141 is a deficient number, since it is larger than the sum of its proper divisors (73844499).

212004141 is an equidigital number, since it uses as much as digits as its factorization.

212004141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794115.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 212004141 is about 14560.3619803905. The cubic root of 212004141 is about 596.2770780876.

Adding to 212004141 its reverse (141400212), we get a palindrome (353404353).

The spelling of 212004141 in words is "two hundred twelve million, four thousand, one hundred forty-one".

Divisors: 1 3 89 267 794023 2382069 70668047 212004141