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1021245241 = 23259117137
BaseRepresentation
bin111100110111101…
…111011100111001
32122011122122002211
4330313233130321
54042414321431
6245200455121
734210304242
oct7467573471
92564578084
101021245241
11484514735
1224601a4a1
13133768333
14998bbcc9
155e9cb2b1
hex3cdef739

1021245241 has 8 divisors (see below), whose sum is σ = 1066120704. Its totient is φ = 976409280.

The previous prime is 1021245229. The next prime is 1021245257. The reversal of 1021245241 is 1425421201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021245241 - 25 = 1021245209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021245941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51025 + ... + 68161.

It is an arithmetic number, because the mean of its divisors is an integer number (133265088).

Almost surely, 21021245241 is an apocalyptic number.

It is an amenable number.

1021245241 is a deficient number, since it is larger than the sum of its proper divisors (44875463).

1021245241 is a wasteful number, since it uses less digits than its factorization.

1021245241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19751.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1021245241 is about 31956.9279030385. The cubic root of 1021245241 is about 1007.0321795336.

Adding to 1021245241 its reverse (1425421201), we get a palindrome (2446666442).

The spelling of 1021245241 in words is "one billion, twenty-one million, two hundred forty-five thousand, two hundred forty-one".

Divisors: 1 23 2591 17137 59593 394151 44401967 1021245241