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330245 = 52572
BaseRepresentation
bin1010000101000000101
3121210000022
41100220011
541031440
611024525
72543546
oct1205005
9553008
10330245
11206133
1213b145
13b7416
14884cd
1567cb5
hex50a05

330245 has 6 divisors (see below), whose sum is σ = 397842. Its totient is φ = 263168.

The previous prime is 330241. The next prime is 330247. The reversal of 330245 is 542033.

330245 is nontrivially palindromic in base 4 and base 16.

It can be written as a sum of positive squares in 3 ways, for example, as 228484 + 101761 = 478^2 + 319^2 .

It is not a de Polignac number, because 330245 - 22 = 330241 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1157 + ... + 1413.

It is an arithmetic number, because the mean of its divisors is an integer number (66307).

2330245 is an apocalyptic number.

It is an amenable number.

330245 is a deficient number, since it is larger than the sum of its proper divisors (67597).

330245 is an frugal number, since it uses more digits than its factorization.

330245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 330245 is about 574.6694702174. The cubic root of 330245 is about 69.1213296221.

Multiplying 330245 by its sum of digits (17), we get a palindrome (5614165).

Adding to 330245 its reverse (542033), we get a palindrome (872278).

It can be divided in two parts, 330 and 245, that added together give a palindrome (575).

The spelling of 330245 in words is "three hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 257 1285 66049 330245