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1031410405 = 5337612113
BaseRepresentation
bin111101011110100…
…001001011100101
32122212210002002101
4331132201023211
54103020113110
6250202412101
734362562264
oct7536411345
92585702071
101031410405
1148a2279a3
12249501031
131358b711c
149ada65db
156083813a
hex3d7a12e5

1031410405 has 8 divisors (see below), whose sum is σ = 1241367192. Its totient is φ = 822678528.

The previous prime is 1031410403. The next prime is 1031410439. The reversal of 1031410405 is 5040141301.

It can be written as a sum of positive squares in 4 ways, for example, as 180579844 + 850830561 = 13438^2 + 29169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031410405 - 21 = 1031410403 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 (1031410403) 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 7 ways as a sum of consecutive naturals, for example, 304372 + ... + 307741.

It is an arithmetic number, because the mean of its divisors is an integer number (155170899).

Almost surely, 21031410405 is an apocalyptic number.

It is an amenable number.

1031410405 is a deficient number, since it is larger than the sum of its proper divisors (209956787).

1031410405 is an equidigital number, since it uses as much as digits as its factorization.

1031410405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612455.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1031410405 is about 32115.5788520151. The cubic root of 1031410405 is about 1010.3623850746.

Adding to 1031410405 its reverse (5040141301), we get a palindrome (6071551706).

The spelling of 1031410405 in words is "one billion, thirty-one million, four hundred ten thousand, four hundred five".

Divisors: 1 5 337 1685 612113 3060565 206282081 1031410405