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1431053305 = 511191369429
BaseRepresentation
bin101010101001100…
…0010001111111001
310200201210001002021
41111103002033321
510412322201210
6354000234441
750314516033
oct12523021771
93621701067
101431053305
11674879590
1233b30ba21
1319a632006
14d80b6c53
158597abda
hex554c23f9

1431053305 has 16 divisors (see below), whose sum is σ = 1971979200. Its totient is φ = 985988160.

The previous prime is 1431053293. The next prime is 1431053311. The reversal of 1431053305 is 5033501341.

It is not a de Polignac number, because 1431053305 - 219 = 1430529017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1431053305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683670 + ... + 685759.

It is an arithmetic number, because the mean of its divisors is an integer number (123248700).

Almost surely, 21431053305 is an apocalyptic number.

It is an amenable number.

1431053305 is a deficient number, since it is larger than the sum of its proper divisors (540925895).

1431053305 is a wasteful number, since it uses less digits than its factorization.

1431053305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369464.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1431053305 is about 37829.2651924406. The cubic root of 1431053305 is about 1126.8997183226.

Adding to 1431053305 its reverse (5033501341), we get a palindrome (6464554646).

The spelling of 1431053305 in words is "one billion, four hundred thirty-one million, fifty-three thousand, three hundred five".

Divisors: 1 5 11 19 55 95 209 1045 1369429 6847145 15063719 26019151 75318595 130095755 286210661 1431053305