Search a number
-
+
1431130245 = 35450721169
BaseRepresentation
bin101010101001101…
…0101000010000101
310200201220221121220
41111103111002011
510412332131440
6354002030553
750315256246
oct12523250205
93621827556
101431130245
11674921376
1233b348459
1319a65b03c
14d80d6ccd
15859938d0
hex554d5085

1431130245 has 16 divisors (see below), whose sum is σ = 2290424640. Its totient is φ = 763064064.

The previous prime is 1431130237. The next prime is 1431130271. The reversal of 1431130245 is 5420311341.

It is a happy number.

It is not a de Polignac number, because 1431130245 - 23 = 1431130237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57021 + ... + 78189.

It is an arithmetic number, because the mean of its divisors is an integer number (143151540).

Almost surely, 21431130245 is an apocalyptic number.

1431130245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1431130245 is a deficient number, since it is larger than the sum of its proper divisors (859294395).

1431130245 is a wasteful number, since it uses less digits than its factorization.

1431130245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25684.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1431130245 is about 37830.2821163152. The cubic root of 1431130245 is about 1126.9199137293.

Adding to 1431130245 its reverse (5420311341), we get a palindrome (6851441586).

The spelling of 1431130245 in words is "one billion, four hundred thirty-one million, one hundred thirty thousand, two hundred forty-five".

Divisors: 1 3 5 15 4507 13521 21169 22535 63507 67605 105845 317535 95408683 286226049 477043415 1431130245