Search a number
-
+
1431220204 = 221987180073
BaseRepresentation
bin101010101001110…
…1010111111101100
310200202002112000201
41111103222333230
510412343021304
6354004003244
750316112441
oct12523527754
93622075021
101431220204
11674982a17
1233b390524
1319a68cc7b
14d811b9c8
15859b03a4
hex554eafec

1431220204 has 12 divisors (see below), whose sum is σ = 2505909784. Its totient is φ = 715245984.

The previous prime is 1431220111. The next prime is 1431220207. The reversal of 1431220204 is 4020221341.

It is not an unprimeable number, because it can be changed into a prime (1431220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82089 + ... + 97984.

Almost surely, 21431220204 is an apocalyptic number.

It is an amenable number.

1431220204 is a deficient number, since it is larger than the sum of its proper divisors (1074689580).

1431220204 is a wasteful number, since it uses less digits than its factorization.

1431220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182064 (or 182062 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1431220204 is about 37831.4710789840. The cubic root of 1431220204 is about 1126.9435254784.

Adding to 1431220204 its reverse (4020221341), we get a palindrome (5451441545).

The spelling of 1431220204 in words is "one billion, four hundred thirty-one million, two hundred twenty thousand, two hundred four".

Divisors: 1 2 4 1987 3974 7948 180073 360146 720292 357805051 715610102 1431220204