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230136 = 23343223
BaseRepresentation
bin111000001011111000
3102200200120
4320023320
524331021
64533240
71645644
oct701370
9380616
10230136
111479a5
12b1220
138099a
145dc24
15482c6
hex382f8

230136 has 32 divisors (see below), whose sum is σ = 591360. Its totient is φ = 74592.

The previous prime is 230123. The next prime is 230137. The reversal of 230136 is 631032.

230136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230137) 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, 921 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (18480).

2230136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295680).

230136 is an abundant number, since it is smaller than the sum of its proper divisors (361224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230136 is a wasteful number, since it uses less digits than its factorization.

230136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 230136 is about 479.7249211788. The cubic root of 230136 is about 61.2813306321.

Adding to 230136 its reverse (631032), we get a palindrome (861168).

The spelling of 230136 in words is "two hundred thirty thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 223 258 344 446 516 669 892 1032 1338 1784 2676 5352 9589 19178 28767 38356 57534 76712 115068 230136