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234005 = 5172753
BaseRepresentation
bin111001001000010101
3102212222212
4321020111
524442010
65003205
71663142
oct711025
9385885
10234005
1114a8a2
12b3505
1382685
14613c9
1549505
hex39215

234005 has 8 divisors (see below), whose sum is σ = 297432. Its totient is φ = 176128.

The previous prime is 233993. The next prime is 234007. The reversal of 234005 is 500432.

It can be written as a sum of positive squares in 4 ways, for example, as 103684 + 130321 = 322^2 + 361^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 234005 - 26 = 233941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (37179).

2234005 is an apocalyptic number.

It is an amenable number.

234005 is a deficient number, since it is larger than the sum of its proper divisors (63427).

234005 is a wasteful number, since it uses less digits than its factorization.

234005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 234005 is about 483.7406329842. The cubic root of 234005 is about 61.6228403804.

Adding to 234005 its reverse (500432), we get a palindrome (734437).

The spelling of 234005 in words is "two hundred thirty-four thousand, five".

Divisors: 1 5 17 85 2753 13765 46801 234005