Search a number
-
+
430720065 = 3353190519
BaseRepresentation
bin11001101011000…
…100010001000001
31010000110211212000
4121223010101001
51340231020230
6110423454213
713450026426
oct3153042101
91100424760
10430720065
112011483a6
121002b7369
136b309259
14412bdd4d
1527c30b60
hex19ac4441

430720065 has 16 divisors (see below), whose sum is σ = 765724800. Its totient is φ = 229717296.

The previous prime is 430720033. The next prime is 430720123. The reversal of 430720065 is 560027034.

It is a happy number.

It is not a de Polignac number, because 430720065 - 25 = 430720033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595125 + ... + 1595394.

It is an arithmetic number, because the mean of its divisors is an integer number (47857800).

Almost surely, 2430720065 is an apocalyptic number.

430720065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

430720065 is a deficient number, since it is larger than the sum of its proper divisors (335004735).

430720065 is a wasteful number, since it uses less digits than its factorization.

430720065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190533 (or 3190527 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 430720065 is about 20753.7963996952. The cubic root of 430720065 is about 755.2053094263.

Adding to 430720065 its reverse (560027034), we get a palindrome (990747099).

The spelling of 430720065 in words is "four hundred thirty million, seven hundred twenty thousand, sixty-five".

Divisors: 1 3 5 9 15 27 45 135 3190519 9571557 15952595 28714671 47857785 86144013 143573355 430720065