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2706025 = 5272472
BaseRepresentation
bin1010010100101001101001
312002110222011
422110221221
51143043100
6133555521
732000200
oct12245151
95073864
102706025
111589093
12aa5ba1
137398ca
14506237
15386bba
hex294a69

2706025 has 27 divisors (see below), whose sum is σ = 3988119. Its totient is φ = 1816080.

The previous prime is 2706017. The next prime is 2706029. The reversal of 2706025 is 5206072.

The square root of 2706025 is 1645.

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

It can be written as a sum of positive squares in only one way, i.e., 974169 + 1731856 = 987^2 + 1316^2 .

It is not a de Polignac number, because 2706025 - 23 = 2706017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2705987 and 2706005.

It is not an unprimeable number, because it can be changed into a prime (2706029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 57552 + ... + 57598.

22706025 is an apocalyptic number.

2706025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2706025 is the 1645-th square number.

2706025 is the 823-rd centered octagonal number.

It is an amenable number.

2706025 is a deficient number, since it is larger than the sum of its proper divisors (1282094).

2706025 is an equidigital number, since it uses as much as digits as its factorization.

2706025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The cubic root of 2706025 is about 139.3511642562.

The spelling of 2706025 in words is "two million, seven hundred six thousand, twenty-five".