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330625 = 54232
BaseRepresentation
bin1010000101110000001
3121210112101
41100232001
541040000
611030401
72544631
oct1205601
9553471
10330625
11206449
1213b401
13b7649
14886c1
1567e6a
hex50b81

330625 has 15 divisors (see below), whose sum is σ = 431893. Its totient is φ = 253000.

The previous prime is 330623. The next prime is 330641. The reversal of 330625 is 526033.

The square root of 330625 is 575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 25921 + 304704 = 161^2 + 552^2 .

It is not a de Polignac number, because 330625 - 21 = 330623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330623) 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 14 ways as a sum of consecutive naturals, for example, 14364 + ... + 14386.

2330625 is an apocalyptic number.

330625 is the 575-th square number.

330625 is the 288-th centered octagonal number.

It is an amenable number.

330625 is a deficient number, since it is larger than the sum of its proper divisors (101268).

330625 is an frugal number, since it uses more digits than its factorization.

330625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The cubic root of 330625 is about 69.1478311964.

Adding to 330625 its reverse (526033), we get a palindrome (856658).

It can be divided in two parts, 3 and 30625, that added together give a triangular number (30628 = T247).

The spelling of 330625 in words is "three hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 23 25 115 125 529 575 625 2645 2875 13225 14375 66125 330625