Search a number
-
+
431445113 = 1149337951
BaseRepresentation
bin11001101101110…
…101010001111001
31010001211200102122
4121231311101321
51340422220423
6110451211025
713456136321
oct3155652171
91101750378
10431445113
112015a3110
121005a6a75
136b501288
144142c281
1527d258c8
hex19b75479

431445113 has 8 divisors (see below), whose sum is σ = 470822016. Its totient is φ = 392094000.

The previous prime is 431445107. The next prime is 431445121. The reversal of 431445113 is 311544134.

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 431445113 - 216 = 431379577 is a prime.

It is a super-2 number, since 2×4314451132 = 372289771063165538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431445163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50288 + ... + 58238.

It is an arithmetic number, because the mean of its divisors is an integer number (58852752).

Almost surely, 2431445113 is an apocalyptic number.

It is an amenable number.

431445113 is a deficient number, since it is larger than the sum of its proper divisors (39376903).

431445113 is a wasteful number, since it uses less digits than its factorization.

431445113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12895.

The product of its digits is 2880, while the sum is 26.

The square root of 431445113 is about 20771.2568950461. The cubic root of 431445113 is about 755.6288274585.

Adding to 431445113 its reverse (311544134), we get a palindrome (742989247).

It can be divided in two parts, 431 and 445113, that added together give a palindrome (445544).

The spelling of 431445113 in words is "four hundred thirty-one million, four hundred forty-five thousand, one hundred thirteen".

Divisors: 1 11 4933 7951 54263 87461 39222283 431445113