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295230 = 23513757
BaseRepresentation
bin1001000000100111110
3112222222110
41020010332
533421410
610154450
72336505
oct1100476
9488873
10295230
111918a1
12122a26
13a44c0
147983c
155c720
hex4813e

295230 has 32 divisors (see below), whose sum is σ = 764064. Its totient is φ = 72576.

The previous prime is 295219. The next prime is 295237. The reversal of 295230 is 32592.

295230 = T4 + T5 + ... + T120.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 295197 and 295206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (295237) by changing a digit.

295230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (23877).

2295230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 295230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382032).

295230 is an abundant number, since it is smaller than the sum of its proper divisors (468834).

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

295230 is a wasteful number, since it uses less digits than its factorization.

295230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 295230 is about 543.3507154684. The cubic root of 295230 is about 66.5865983188.

It can be divided in two parts, 295 and 230, that added together give a palindrome (525).

The spelling of 295230 in words is "two hundred ninety-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 757 1514 2271 3785 4542 7570 9841 11355 19682 22710 29523 49205 59046 98410 147615 295230