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1030413421 = 3319310459
BaseRepresentation
bin111101011010101…
…101110001101101
32122210220102111001
4331122231301231
54102241212141
6250125200301
734351240522
oct7532556155
92583812431
101030413421
11489706944
12249100091
131356283ab
149abc7149
15606dca31
hex3d6adc6d

1030413421 has 4 divisors (see below), whose sum is σ = 1030727200. Its totient is φ = 1030099644.

The previous prime is 1030413389. The next prime is 1030413427. The reversal of 1030413421 is 1243140301.

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: 1243140301 = 1395626177.

It is a cyclic number.

It is not a de Polignac number, because 1030413421 - 25 = 1030413389 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 (1030413427) 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, 151911 + ... + 158548.

It is an arithmetic number, because the mean of its divisors is an integer number (257681800).

Almost surely, 21030413421 is an apocalyptic number.

It is an amenable number.

1030413421 is a deficient number, since it is larger than the sum of its proper divisors (313779).

1030413421 is an equidigital number, since it uses as much as digits as its factorization.

1030413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313778.

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

The square root of 1030413421 is about 32100.0532865601. The cubic root of 1030413421 is about 1010.0367339514.

Adding to 1030413421 its reverse (1243140301), we get a palindrome (2273553722).

The spelling of 1030413421 in words is "one billion, thirty million, four hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 3319 310459 1030413421