Search a number
-
+
1030608071 = 4657221303
BaseRepresentation
bin111101011011011…
…101010011000111
32122211021022111022
4331123131103013
54102313424241
6250133301355
734353011153
oct7533352307
92584238438
101030608071
1148982a109
1224919485b
13135695b7c
149ac38063
156072a54b
hex3d6dd4c7

1030608071 has 4 divisors (see below), whose sum is σ = 1030834032. Its totient is φ = 1030382112.

The previous prime is 1030608067. The next prime is 1030608077. The reversal of 1030608071 is 1708060301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1708060301 = 6977244813.

It is a cyclic number.

It is not a de Polignac number, because 1030608071 - 22 = 1030608067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030608071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030608077) 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, 105995 + ... + 115308.

It is an arithmetic number, because the mean of its divisors is an integer number (257708508).

Almost surely, 21030608071 is an apocalyptic number.

1030608071 is a deficient number, since it is larger than the sum of its proper divisors (225961).

1030608071 is an equidigital number, since it uses as much as digits as its factorization.

1030608071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225960.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1030608071 is about 32103.0850698184. The cubic root of 1030608071 is about 1010.1003301959.

Adding to 1030608071 its reverse (1708060301), we get a palindrome (2738668372).

The spelling of 1030608071 in words is "one billion, thirty million, six hundred eight thousand, seventy-one".

Divisors: 1 4657 221303 1030608071