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234144321 = 3587132961
BaseRepresentation
bin11011111010011…
…00001001000001
3121022120202121220
431331030021001
5434420104241
635122305253
75542123335
oct1575141101
9538522556
10234144321
11110194104
12664b8229
1339680748
142314d7c5
1515851166
hexdf4c241

234144321 has 8 divisors (see below), whose sum is σ = 312726624. Its totient is φ = 155829120.

The previous prime is 234144307. The next prime is 234144329. The reversal of 234144321 is 123441432.

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

It is not a de Polignac number, because 234144321 - 29 = 234143809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234144291 and 234144300.

It is not an unprimeable number, because it can be changed into a prime (234144329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64720 + ... + 68241.

It is an arithmetic number, because the mean of its divisors is an integer number (39090828).

Almost surely, 2234144321 is an apocalyptic number.

It is an amenable number.

234144321 is a deficient number, since it is larger than the sum of its proper divisors (78582303).

234144321 is a wasteful number, since it uses less digits than its factorization.

234144321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133551.

The product of its digits is 2304, while the sum is 24.

The square root of 234144321 is about 15301.7750931060. The cubic root of 234144321 is about 616.3506754426.

Adding to 234144321 its reverse (123441432), we get a palindrome (357585753).

The spelling of 234144321 in words is "two hundred thirty-four million, one hundred forty-four thousand, three hundred twenty-one".

Divisors: 1 3 587 1761 132961 398883 78048107 234144321