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1025341243 = 4125008323
BaseRepresentation
bin111101000111010…
…111011100111011
32122110100201202121
4331013113130323
54044441404433
6245424342111
734260154033
oct7507273473
92573321677
101025341243
11486862063
12247474937
131345707c4
149a2668c3
1560039c2d
hex3d1d773b

1025341243 has 4 divisors (see below), whose sum is σ = 1050349608. Its totient is φ = 1000332880.

The previous prime is 1025341241. The next prime is 1025341249. The reversal of 1025341243 is 3421435201.

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

It is a cyclic number.

It is not a de Polignac number, because 1025341243 - 21 = 1025341241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025341241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12504121 + ... + 12504202.

It is an arithmetic number, because the mean of its divisors is an integer number (262587402).

Almost surely, 21025341243 is an apocalyptic number.

1025341243 is a deficient number, since it is larger than the sum of its proper divisors (25008365).

1025341243 is an equidigital number, since it uses as much as digits as its factorization.

1025341243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008364.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1025341243 is about 32020.9500639815. The cubic root of 1025341243 is about 1008.3767157044.

Adding to 1025341243 its reverse (3421435201), we get a palindrome (4446776444).

The spelling of 1025341243 in words is "one billion, twenty-five million, three hundred forty-one thousand, two hundred forty-three".

Divisors: 1 41 25008323 1025341243