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2025643241 = 19710282453
BaseRepresentation
bin111100010111100…
…1101110011101001
312020011121100010202
41320233031303221
513122031040431
6533000321545
7101124453266
oct17057156351
95204540122
102025643241
1194a471826
124864732b5
1326388528b
1415305226d
15bcc7a8cb
hex78bcdce9

2025643241 has 4 divisors (see below), whose sum is σ = 2035925892. Its totient is φ = 2015360592.

The previous prime is 2025643231. The next prime is 2025643259. The reversal of 2025643241 is 1423465202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1542918400 + 482724841 = 39280^2 + 21971^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025643241 - 218 = 2025381097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025643231) 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 3 ways as a sum of consecutive naturals, for example, 5141030 + ... + 5141423.

It is an arithmetic number, because the mean of its divisors is an integer number (508981473).

Almost surely, 22025643241 is an apocalyptic number.

It is an amenable number.

2025643241 is a deficient number, since it is larger than the sum of its proper divisors (10282651).

2025643241 is a wasteful number, since it uses less digits than its factorization.

2025643241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10282650.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2025643241 is about 45007.1465547417. The cubic root of 2025643241 is about 1265.2829419122.

The spelling of 2025643241 in words is "two billion, twenty-five million, six hundred forty-three thousand, two hundred forty-one".

Divisors: 1 197 10282453 2025643241