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1431450341 = 5327008497
BaseRepresentation
bin101010101010010…
…0011001011100101
310200202112012201022
41111110203023211
510412422402331
6354012540525
750321061416
oct12524431345
93622465638
101431450341
1167501a912
1233b481745
1319a740949
14d817b80d
1585a0867b
hex555232e5

1431450341 has 4 divisors (see below), whose sum is σ = 1458458892. Its totient is φ = 1404441792.

The previous prime is 1431450331. The next prime is 1431450347. The reversal of 1431450341 is 1430541341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 639027841 + 792422500 = 25279^2 + 28150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1431450341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431450341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431450347) 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, 13504196 + ... + 13504301.

It is an arithmetic number, because the mean of its divisors is an integer number (364614723).

Almost surely, 21431450341 is an apocalyptic number.

It is an amenable number.

1431450341 is a deficient number, since it is larger than the sum of its proper divisors (27008551).

1431450341 is an equidigital number, since it uses as much as digits as its factorization.

1431450341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27008550.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1431450341 is about 37834.5125645884. The cubic root of 1431450341 is about 1127.0039255718.

Adding to 1431450341 its reverse (1430541341), we get a palindrome (2861991682).

The spelling of 1431450341 in words is "one billion, four hundred thirty-one million, four hundred fifty thousand, three hundred forty-one".

Divisors: 1 53 27008497 1431450341