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234020211 = 378006737
BaseRepresentation
bin11011111001011…
…01110101110011
3121022100110101020
431330231311303
5434402121321
635115510523
75541065445
oct1574556563
9538313336
10234020211
11110109937
1266458443
13396390c9
142311a495
15158294c6
hexdf2dd73

234020211 has 4 divisors (see below), whose sum is σ = 312026952. Its totient is φ = 156013472.

The previous prime is 234020179. The next prime is 234020231. The reversal of 234020211 is 112020432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234020211 - 25 = 234020179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234020231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39003366 + ... + 39003371.

It is an arithmetic number, because the mean of its divisors is an integer number (78006738).

Almost surely, 2234020211 is an apocalyptic number.

234020211 is a deficient number, since it is larger than the sum of its proper divisors (78006741).

234020211 is an equidigital number, since it uses as much as digits as its factorization.

234020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78006740.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 234020211 is about 15297.7191437155. The cubic root of 234020211 is about 616.2417557222.

Adding to 234020211 its reverse (112020432), we get a palindrome (346040643).

The spelling of 234020211 in words is "two hundred thirty-four million, twenty thousand, two hundred eleven".

Divisors: 1 3 78006737 234020211