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211001108 = 22354114897
BaseRepresentation
bin11001001001110…
…01111100010100
3112201000222002212
430210321330110
5413004013413
632534252552
75141323403
oct1444717424
9481028085
10211001108
11a911728a
125a7b7158
1334939736
142004763a
15137cdca8
hexc939f14

211001108 has 12 divisors (see below), whose sum is σ = 369381012. Its totient is φ = 105463680.

The previous prime is 211001107. The next prime is 211001143. The reversal of 211001108 is 801100112.

211001108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 150503824 + 60497284 = 12268^2 + 7778^2 .

It is a super-3 number, since 3×2110011083 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211001092 and 211001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001101) 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, 6716 + ... + 21612.

It is an arithmetic number, because the mean of its divisors is an integer number (30781751).

Almost surely, 2211001108 is an apocalyptic number.

It is an amenable number.

211001108 is a deficient number, since it is larger than the sum of its proper divisors (158379904).

211001108 is a wasteful number, since it uses less digits than its factorization.

211001108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442 (or 18440 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 211001108 is about 14525.8771852167. The cubic root of 211001108 is about 595.3352233820.

The spelling of 211001108 in words is "two hundred eleven million, one thousand, one hundred eight".

Divisors: 1 2 4 3541 7082 14164 14897 29794 59588 52750277 105500554 211001108