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233485 = 572953
BaseRepresentation
bin111001000000001101
3102212021121
4321000031
524432420
65000541
71661500
oct710015
9385247
10233485
1114a46a
12b3151
1382375
1461137
15492aa
hex3900d

233485 has 12 divisors (see below), whose sum is σ = 326268. Its totient is φ = 159936.

The previous prime is 233477. The next prime is 233489. The reversal of 233485 is 584332.

It can be written as a sum of positive squares in 2 ways, for example, as 90601 + 142884 = 301^2 + 378^2 .

It is not a de Polignac number, because 233485 - 23 = 233477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232 + ... + 721.

It is an arithmetic number, because the mean of its divisors is an integer number (27189).

2233485 is an apocalyptic number.

It is an amenable number.

233485 is a deficient number, since it is larger than the sum of its proper divisors (92783).

233485 is an equidigital number, since it uses as much as digits as its factorization.

233485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 965 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 233485 is about 483.2028559518. The cubic root of 233485 is about 61.5771609546.

The spelling of 233485 in words is "two hundred thirty-three thousand, four hundred eighty-five".

Divisors: 1 5 7 35 49 245 953 4765 6671 33355 46697 233485