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211100234 = 2346130497
BaseRepresentation
bin11001001010100…
…10001001001010
3112201020000002012
430211102021022
5413020201414
632540335522
75142215402
oct1445221112
9481200065
10211100234
11a9184804
125a8445a2
13349728a7
1420071802
15137ed33e
hexc95224a

211100234 has 8 divisors (see below), whose sum is σ = 316752228. Its totient is φ = 105516160.

The previous prime is 211100231. The next prime is 211100293. The reversal of 211100234 is 432001112.

It can be written as a sum of positive squares in 2 ways, for example, as 210975625 + 124609 = 14525^2 + 353^2 .

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

It is not an unprimeable number, because it can be changed into a prime (211100231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8327 + ... + 22170.

Almost surely, 2211100234 is an apocalyptic number.

211100234 is a deficient number, since it is larger than the sum of its proper divisors (105651994).

211100234 is a wasteful number, since it uses less digits than its factorization.

211100234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33960.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 211100234 is about 14529.2888332499. The cubic root of 211100234 is about 595.4284361003.

Adding to 211100234 its reverse (432001112), we get a palindrome (643101346).

The spelling of 211100234 in words is "two hundred eleven million, one hundred thousand, two hundred thirty-four".

Divisors: 1 2 3461 6922 30497 60994 105550117 211100234