Search a number
-
+
2025270009 = 327221432
BaseRepresentation
bin111100010110111…
…0010101011111001
312020010220101011100
41320231302223321
513121432120014
6532544322013
7101121340200
oct17055625371
95203811140
102025270009
1194a237374
12486313309
13263784429
14152d96237
15bcc05009
hex78b72af9

2025270009 has 27 divisors (see below), whose sum is σ = 3404593413. Its totient is φ = 1156757112.

The previous prime is 2025270007. The next prime is 2025270017. The reversal of 2025270009 is 9000725202.

It is a happy number.

The square root of 2025270009 is 45003.

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

It is not a de Polignac number, because 2025270009 - 21 = 2025270007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2025270007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 943992 + ... + 946134.

Almost surely, 22025270009 is an apocalyptic number.

2025270009 is the 45003-rd square number.

2025270009 is the 22502-nd centered octagonal number.

It is an amenable number.

2025270009 is a deficient number, since it is larger than the sum of its proper divisors (1379323404).

2025270009 is an frugal number, since it uses more digits than its factorization.

2025270009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The cubic root of 2025270009 is about 1265.2052261722.

The spelling of 2025270009 in words is "two billion, twenty-five million, two hundred seventy thousand, nine".

Divisors: 1 3 7 9 21 49 63 147 441 2143 6429 15001 19287 45003 105007 135009 315021 945063 4592449 13777347 32147143 41332041 96441429 225030001 289324287 675090003 2025270009