Search a number
-
+
438144034 = 21127919423
BaseRepresentation
bin11010000111011…
…000110000100010
31010112110000121211
4122013120300202
51344131102114
6111250540334
713600106566
oct3207306042
91115400554
10438144034
11205359109
121028976aa
136ca08433
14422936a6
15286ea6c4
hex1a1d8c22

438144034 has 8 divisors (see below), whose sum is σ = 657308160. Its totient is φ = 219041316.

The previous prime is 438144017. The next prime is 438144067. The reversal of 438144034 is 430441834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 438143987 and 438144005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12847 + ... + 32269.

It is an arithmetic number, because the mean of its divisors is an integer number (82163520).

Almost surely, 2438144034 is an apocalyptic number.

438144034 is a deficient number, since it is larger than the sum of its proper divisors (219164126).

438144034 is a wasteful number, since it uses less digits than its factorization.

438144034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30704.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 438144034 is about 20931.8903589714. The cubic root of 438144034 is about 759.5195682441.

Adding to 438144034 its reverse (430441834), we get a palindrome (868585868).

The spelling of 438144034 in words is "four hundred thirty-eight million, one hundred forty-four thousand, thirty-four".

Divisors: 1 2 11279 19423 22558 38846 219072017 438144034