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234213243 = 31110170271
BaseRepresentation
bin11011111010111…
…00111101111011
3121022201021011120
431331130331323
5434424310433
635124000323
75542531305
oct1575347573
9538637146
10234213243
11110230970
12665300a3
13396a5c24
142316a975
15158667b3
hexdf5cf7b

234213243 has 16 divisors (see below), whose sum is σ = 344051712. Its totient is φ = 140540000.

The previous prime is 234213241. The next prime is 234213253. The reversal of 234213243 is 342312432.

It is a cyclic number.

It is not a de Polignac number, because 234213243 - 21 = 234213241 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (234213241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31803 + ... + 38468.

It is an arithmetic number, because the mean of its divisors is an integer number (21503232).

Almost surely, 2234213243 is an apocalyptic number.

234213243 is a deficient number, since it is larger than the sum of its proper divisors (109838469).

234213243 is a wasteful number, since it uses less digits than its factorization.

234213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70386.

The product of its digits is 3456, while the sum is 24.

The square root of 234213243 is about 15304.0270190561. The cubic root of 234213243 is about 616.4111452043.

Adding to 234213243 its reverse (342312432), we get a palindrome (576525675).

The spelling of 234213243 in words is "two hundred thirty-four million, two hundred thirteen thousand, two hundred forty-three".

Divisors: 1 3 11 33 101 303 1111 3333 70271 210813 772981 2318943 7097371 21292113 78071081 234213243