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211434101 = 239794771
BaseRepresentation
bin11001001101000…
…11101001110101
3112201211222001122
430212203221311
5413111342401
632551433325
75145105644
oct1446435165
9481758048
10211434101
11a939262a
125a985845
1334a5b848
142011b35b
151386721b
hexc9a3a75

211434101 has 8 divisors (see below), whose sum is σ = 222903744. Its totient is φ = 200154240.

The previous prime is 211434079. The next prime is 211434103. The reversal of 211434101 is 101434112.

It is a happy number.

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 211434101 - 26 = 211434037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211434101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211434103) 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, 45155 + ... + 49616.

It is an arithmetic number, because the mean of its divisors is an integer number (27862968).

Almost surely, 2211434101 is an apocalyptic number.

It is an amenable number.

211434101 is a deficient number, since it is larger than the sum of its proper divisors (11469643).

211434101 is an equidigital number, since it uses as much as digits as its factorization.

211434101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94891.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 211434101 is about 14540.7737414486. The cubic root of 211434101 is about 595.7421720487.

Adding to 211434101 its reverse (101434112), we get a palindrome (312868213).

The spelling of 211434101 in words is "two hundred eleven million, four hundred thirty-four thousand, one hundred one".

Divisors: 1 23 97 2231 94771 2179733 9192787 211434101