Search a number
-
+
1034703781 = 1940353327
BaseRepresentation
bin111101101011000…
…101001110100101
32200002222101202021
4331223011032211
54104341010111
6250401143141
734432560046
oct7553051645
92602871667
101034703781
114910772a1
1224a62aab1
1313649b177
149b5c28cd
1560c88d71
hex3dac53a5

1034703781 has 4 divisors (see below), whose sum is σ = 1034776512. Its totient is φ = 1034631052.

The previous prime is 1034703763. The next prime is 1034703841. The reversal of 1034703781 is 1873074301.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1034703781 - 25 = 1034703749 is a prime.

It is a super-2 number, since 2×10347037812 = 2141223828831391922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034706781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7261 + ... + 46066.

It is an arithmetic number, because the mean of its divisors is an integer number (258694128).

Almost surely, 21034703781 is an apocalyptic number.

It is an amenable number.

1034703781 is a deficient number, since it is larger than the sum of its proper divisors (72731).

1034703781 is an equidigital number, since it uses as much as digits as its factorization.

1034703781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72730.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1034703781 is about 32166.8117941458. The cubic root of 1034703781 is about 1011.4366318284.

The spelling of 1034703781 in words is "one billion, thirty-four million, seven hundred three thousand, seven hundred eighty-one".

Divisors: 1 19403 53327 1034703781