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211230006 = 23132708077
BaseRepresentation
bin11001001011100…
…01110100110110
3112201110121002120
430211301310312
5413033330011
632543220410
75143265631
oct1445616466
9481417076
10211230006
11a9263259
125a8a7706
13349b9990
14200a6c18
1513826a06
hexc971d36

211230006 has 16 divisors (see below), whose sum is σ = 454957104. Its totient is φ = 64993824.

The previous prime is 211229987. The next prime is 211230023. The reversal of 211230006 is 600032112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353961 + ... + 1354116.

It is an arithmetic number, because the mean of its divisors is an integer number (28434819).

Almost surely, 2211230006 is an apocalyptic number.

211230006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

211230006 is an abundant number, since it is smaller than the sum of its proper divisors (243727098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211230006 is a wasteful number, since it uses less digits than its factorization.

211230006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708095.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 211230006 is about 14533.7540229632. The cubic root of 211230006 is about 595.5504225603.

Adding to 211230006 its reverse (600032112), we get a palindrome (811262118).

The spelling of 211230006 in words is "two hundred eleven million, two hundred thirty thousand, six".

Divisors: 1 2 3 6 13 26 39 78 2708077 5416154 8124231 16248462 35205001 70410002 105615003 211230006