Search a number
-
+
1004244431 is a prime number
BaseRepresentation
bin111011110110111…
…000110111001111
32120222122220101012
4323312320313033
54024041310211
6243352235435
733612636221
oct7366706717
92528586335
101004244431
11475962783
1224039bb7b
13130095098
1497534411
155d26dd8b
hex3bdb8dcf

1004244431 has 2 divisors, whose sum is σ = 1004244432. Its totient is φ = 1004244430.

The previous prime is 1004244421. The next prime is 1004244433. The reversal of 1004244431 is 1344424001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1004244431 is a prime.

It is a super-2 number, since 2×10042444312 = 2017013754389027522, which contains 22 as substring.

Together with 1004244433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004244397 and 1004244406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004244433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502122215 + 502122216.

It is an arithmetic number, because the mean of its divisors is an integer number (502122216).

Almost surely, 21004244431 is an apocalyptic number.

1004244431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004244431 is an equidigital number, since it uses as much as digits as its factorization.

1004244431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1004244431 is about 31689.8158877580. The cubic root of 1004244431 is about 1001.4128133518.

Adding to 1004244431 its reverse (1344424001), we get a palindrome (2348668432).

The spelling of 1004244431 in words is "one billion, four million, two hundred forty-four thousand, four hundred thirty-one".