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1021430341 = 3167322523
BaseRepresentation
bin111100111000011…
…100101001000101
32122012000001000101
4330320130221011
54042441232331
6245204444101
734212005011
oct7470345105
92565001011
101021430341
11484630808
122460a9631
13133801669
1499929541
155ea16061
hex3ce1ca45

1021430341 has 4 divisors (see below), whose sum is σ = 1021756032. Its totient is φ = 1021104652.

The previous prime is 1021430327. The next prime is 1021430351. The reversal of 1021430341 is 1430341201.

1021430341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1430341201 = 3767379703.

It is a cyclic number.

It is not a de Polignac number, because 1021430341 - 225 = 987875909 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 (1021430351) 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, 158095 + ... + 164428.

It is an arithmetic number, because the mean of its divisors is an integer number (255439008).

Almost surely, 21021430341 is an apocalyptic number.

It is an amenable number.

1021430341 is a deficient number, since it is larger than the sum of its proper divisors (325691).

1021430341 is an equidigital number, since it uses as much as digits as its factorization.

1021430341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325690.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1021430341 is about 31959.8238574620. The cubic root of 1021430341 is about 1007.0930171556.

Adding to 1021430341 its reverse (1430341201), we get a palindrome (2451771542).

The spelling of 1021430341 in words is "one billion, twenty-one million, four hundred thirty thousand, three hundred forty-one".

Divisors: 1 3167 322523 1021430341