Search a number
-
+
1431202385 = 52239127843
BaseRepresentation
bin101010101001110…
…0110101001010001
310200202001121120202
41111103212221101
510412341434020
6354003344545
750316006464
oct12523465121
93622047522
101431202385
11674970598
1233b382155
1319a684b22
14d81152db
15859a9e75
hex554e6a51

1431202385 has 8 divisors (see below), whose sum is σ = 1718223360. Its totient is φ = 1144441584.

The previous prime is 1431202351. The next prime is 1431202391. The reversal of 1431202385 is 5832021341.

It is a happy number.

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 1431202385 - 222 = 1427008081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52727 + ... + 75116.

It is an arithmetic number, because the mean of its divisors is an integer number (214777920).

Almost surely, 21431202385 is an apocalyptic number.

It is an amenable number.

1431202385 is a deficient number, since it is larger than the sum of its proper divisors (287020975).

1431202385 is a wasteful number, since it uses less digits than its factorization.

1431202385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130087.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1431202385 is about 37831.2355732667. The cubic root of 1431202385 is about 1126.9388485624.

The spelling of 1431202385 in words is "one billion, four hundred thirty-one million, two hundred two thousand, three hundred eighty-five".

Divisors: 1 5 2239 11195 127843 639215 286240477 1431202385