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1043022421 = 7257579779
BaseRepresentation
bin111110001010110…
…100001001010101
32200200122000210001
4332022310021111
54114003204141
6251255331301
734563354460
oct7612641125
92620560701
101043022421
11495839201
12251380b31
1313812163c
149c74a2d7
156187da31
hex3e2b4255

1043022421 has 8 divisors (see below), whose sum is σ = 1196665920. Its totient is φ = 890539008.

The previous prime is 1043022401. The next prime is 1043022427. The reversal of 1043022421 is 1242203401.

1043022421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1043022421 - 217 = 1042891349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043022427) 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, 288091 + ... + 291688.

It is an arithmetic number, because the mean of its divisors is an integer number (149583240).

Almost surely, 21043022421 is an apocalyptic number.

It is an amenable number.

1043022421 is a deficient number, since it is larger than the sum of its proper divisors (153643499).

1043022421 is an equidigital number, since it uses as much as digits as its factorization.

1043022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580043.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1043022421 is about 32295.8576445958. The cubic root of 1043022421 is about 1014.1399270944.

Adding to 1043022421 its reverse (1242203401), we get a palindrome (2285225822).

The spelling of 1043022421 in words is "one billion, forty-three million, twenty-two thousand, four hundred twenty-one".

Divisors: 1 7 257 1799 579779 4058453 149003203 1043022421