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230153 = 731161
BaseRepresentation
bin111000001100001001
3102200201012
4320030021
524331103
64533305
71646000
oct701411
9380635
10230153
11147a10
12b1235
13809b1
145dc37
15482d8
hex38309

230153 has 16 divisors (see below), whose sum is σ = 297600. Its totient is φ = 176400.

The previous prime is 230149. The next prime is 230189. The reversal of 230153 is 351032.

It is not a de Polignac number, because 230153 - 22 = 230149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230123) 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 15 ways as a sum of consecutive naturals, for example, 3743 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (18600).

2230153 is an apocalyptic number.

It is an amenable number.

230153 is a deficient number, since it is larger than the sum of its proper divisors (67447).

230153 is an equidigital number, since it uses as much as digits as its factorization.

230153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 230153 is about 479.7426393391. The cubic root of 230153 is about 61.2828395326.

Adding to 230153 its reverse (351032), we get a palindrome (581185).

It can be divided in two parts, 230 and 153, that added together give a palindrome (383).

The spelling of 230153 in words is "two hundred thirty thousand, one hundred fifty-three".

Divisors: 1 7 11 49 61 77 343 427 539 671 2989 3773 4697 20923 32879 230153