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211001230 = 25111918193
BaseRepresentation
bin11001001001110…
…01111110001110
3112201000222021101
430210321332032
5413004014410
632534253314
75141323636
oct1444717616
9481028241
10211001230
11a9117390
125a7b723a
13349397cb
14200476c6
15137cdd3a
hexc939f8e

211001230 has 16 divisors (see below), whose sum is σ = 414329904. Its totient is φ = 76727680.

The previous prime is 211001227. The next prime is 211001243. The reversal of 211001230 is 32100112.

211001230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 958987 + ... + 959206.

It is an arithmetic number, because the mean of its divisors is an integer number (25895619).

Almost surely, 2211001230 is an apocalyptic number.

211001230 is a deficient number, since it is larger than the sum of its proper divisors (203328674).

211001230 is a wasteful number, since it uses less digits than its factorization.

211001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918211.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211001230 is about 14525.8813846183. The cubic root of 211001230 is about 595.3353381222.

Adding to 211001230 its reverse (32100112), we get a palindrome (243101342).

The spelling of 211001230 in words is "two hundred eleven million, one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1918193 3836386 9590965 19181930 21100123 42200246 105500615 211001230