Search a number
-
+
1034813 = 1379601
BaseRepresentation
bin11111100101000111101
31221120111102
43330220331
5231103223
634102445
711536643
oct3745075
91846442
101034813
1164751a
1241aa25
132a3020
141cd193
15156928
hexfca3d

1034813 has 4 divisors (see below), whose sum is σ = 1114428. Its totient is φ = 955200.

The previous prime is 1034809. The next prime is 1034827. The reversal of 1034813 is 3184301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3184301 = 3738537.

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 994009 = 202^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034813 - 22 = 1034809 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 (1034833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39788 + ... + 39813.

It is an arithmetic number, because the mean of its divisors is an integer number (278607).

21034813 is an apocalyptic number.

1034813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1034813 is a deficient number, since it is larger than the sum of its proper divisors (79615).

1034813 is an equidigital number, since it uses as much as digits as its factorization.

1034813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79614.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1034813 is about 1017.2575878311. The cubic root of 1034813 is about 101.1472218249.

The spelling of 1034813 in words is "one million, thirty-four thousand, eight hundred thirteen".

Divisors: 1 13 79601 1034813