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1030334421 = 3343444807
BaseRepresentation
bin111101011010011…
…010011111010101
32122210202102010010
4331122122133111
54102231200141
6250123350433
734350461304
oct7532323725
92583672103
101030334421
11489662556
12249082419
131355cb44c
149aba643b
15606c4416
hex3d69a7d5

1030334421 has 4 divisors (see below), whose sum is σ = 1373779232. Its totient is φ = 686889612.

The previous prime is 1030334369. The next prime is 1030334447. The reversal of 1030334421 is 1244330301.

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: 1244330301 = 3414776767.

It is not a de Polignac number, because 1030334421 - 27 = 1030334293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030334471) 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, 171722401 + ... + 171722406.

It is an arithmetic number, because the mean of its divisors is an integer number (343444808).

Almost surely, 21030334421 is an apocalyptic number.

It is an amenable number.

1030334421 is a deficient number, since it is larger than the sum of its proper divisors (343444811).

1030334421 is an equidigital number, since it uses as much as digits as its factorization.

1030334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343444810.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1030334421 is about 32098.8227354213. The cubic root of 1030334421 is about 1010.0109207067.

Adding to 1030334421 its reverse (1244330301), we get a palindrome (2274664722).

The spelling of 1030334421 in words is "one billion, thirty million, three hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 3 343444807 1030334421