Search a number
-
+
1002440933 = 1377110841
BaseRepresentation
bin111011110000000…
…000100011100101
32120212021021102222
4323300000203211
54023111102213
6243245442125
733561415214
oct7360004345
92525237388
101002440933
1147494078a
1223b870345
1312c8b3220
14971c507b
155d014808
hex3bc008e5

1002440933 has 4 divisors (see below), whose sum is σ = 1079551788. Its totient is φ = 925330080.

The previous prime is 1002440927. The next prime is 1002440953. The reversal of 1002440933 is 3390442001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3390442001 = 19317567057.

It can be written as a sum of positive squares in 2 ways, for example, as 672727969 + 329712964 = 25937^2 + 18158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002440933 - 26 = 1002440869 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 (1002440953) 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, 38555408 + ... + 38555433.

It is an arithmetic number, because the mean of its divisors is an integer number (269887947).

Almost surely, 21002440933 is an apocalyptic number.

1002440933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1002440933 is a deficient number, since it is larger than the sum of its proper divisors (77110855).

1002440933 is an equidigital number, since it uses as much as digits as its factorization.

1002440933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77110854.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1002440933 is about 31661.3476181921. The cubic root of 1002440933 is about 1000.8129832125.

Adding to 1002440933 its reverse (3390442001), we get a palindrome (4392882934).

The spelling of 1002440933 in words is "one billion, two million, four hundred forty thousand, nine hundred thirty-three".

Divisors: 1 13 77110841 1002440933