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1431004345 = 5416980509
BaseRepresentation
bin101010101001011…
…0110010010111001
310200201200112220221
41111102312102321
510412314114340
6353555220041
750314223221
oct12522662271
93621615827
101431004345
11674845821
1233b2a7621
1319a615944
14d80a3081
158596b44a
hex554b64b9

1431004345 has 8 divisors (see below), whose sum is σ = 1759088520. Its totient is φ = 1116881280.

The previous prime is 1431004343. The next prime is 1431004369. The reversal of 1431004345 is 5434001341.

It can be written as a sum of positive squares in 4 ways, for example, as 132411049 + 1298593296 = 11507^2 + 36036^2 .

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

It is not a de Polignac number, because 1431004345 - 21 = 1431004343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1431004343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490050 + ... + 3490459.

It is an arithmetic number, because the mean of its divisors is an integer number (219886065).

Almost surely, 21431004345 is an apocalyptic number.

It is an amenable number.

1431004345 is a deficient number, since it is larger than the sum of its proper divisors (328084175).

1431004345 is an equidigital number, since it uses as much as digits as its factorization.

1431004345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980555.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1431004345 is about 37828.6180688642. The cubic root of 1431004345 is about 1126.8868668006.

Adding to 1431004345 its reverse (5434001341), we get a palindrome (6865005686).

The spelling of 1431004345 in words is "one billion, four hundred thirty-one million, four thousand, three hundred forty-five".

Divisors: 1 5 41 205 6980509 34902545 286200869 1431004345