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1003424641 = 8811138961
BaseRepresentation
bin111011110011110…
…000101110000001
32120221010020211121
4323303300232001
54023334042031
6243322512241
733602653162
oct7363605601
92527106747
101003424641
1147545286a
12240065681
1312cb68bbb
149739d769
155d15b011
hex3bcf0b81

1003424641 has 4 divisors (see below), whose sum is σ = 1004564484. Its totient is φ = 1002284800.

The previous prime is 1003424627. The next prime is 1003424699. The reversal of 1003424641 is 1464243001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1464243001 = 13112634077.

It can be written as a sum of positive squares in 2 ways, for example, as 54538225 + 948886416 = 7385^2 + 30804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003424641 - 29 = 1003424129 is a prime.

It is a super-2 number, since 2×10034246412 = 2013722020331957762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003424341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568600 + ... + 570361.

It is an arithmetic number, because the mean of its divisors is an integer number (251141121).

Almost surely, 21003424641 is an apocalyptic number.

It is an amenable number.

1003424641 is a deficient number, since it is larger than the sum of its proper divisors (1139843).

1003424641 is an equidigital number, since it uses as much as digits as its factorization.

1003424641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139842.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1003424641 is about 31676.8786498923. The cubic root of 1003424641 is about 1001.1402463441.

Adding to 1003424641 its reverse (1464243001), we get a palindrome (2467667642).

The spelling of 1003424641 in words is "one billion, three million, four hundred twenty-four thousand, six hundred forty-one".

Divisors: 1 881 1138961 1003424641