Search a number
-
+
431424111 = 31103130379
BaseRepresentation
bin11001101101110…
…000001001101111
31010001210121121210
4121231300021233
51340421032421
6110450525503
713456021146
oct3155601157
91101717553
10431424111
11201589358
12100596893
136b4c4851
144142475d
1527d1e576
hex19b7026f

431424111 has 8 divisors (see below), whose sum is σ = 575758080. Its totient is φ = 287353112.

The previous prime is 431424073. The next prime is 431424121. The reversal of 431424111 is 111424134.

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 431424111 - 210 = 431423087 is a prime.

It is a super-2 number, since 2×4314241112 = 372253527104280642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431424121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61881 + ... + 68498.

It is an arithmetic number, because the mean of its divisors is an integer number (71969760).

Almost surely, 2431424111 is an apocalyptic number.

431424111 is a deficient number, since it is larger than the sum of its proper divisors (144333969).

431424111 is a wasteful number, since it uses less digits than its factorization.

431424111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131485.

The product of its digits is 384, while the sum is 21.

The square root of 431424111 is about 20770.7513345088. The cubic root of 431424111 is about 755.6165663592.

Adding to 431424111 its reverse (111424134), we get a palindrome (542848245).

The spelling of 431424111 in words is "four hundred thirty-one million, four hundred twenty-four thousand, one hundred eleven".

Divisors: 1 3 1103 3309 130379 391137 143808037 431424111