Search a number
-
+
438040150 = 25273120011
BaseRepresentation
bin11010000110111…
…111011001010110
31010112020202010021
4122012333121112
51344114241100
6111244415354
713566164662
oct3206773126
91115222107
10438040150
11205298059
1210284755a
136c9a0072
14422678a2
15286c9a1a
hex1a1bf656

438040150 has 24 divisors (see below), whose sum is σ = 825922584. Its totient is φ = 172814400.

The previous prime is 438040147. The next prime is 438040159. The reversal of 438040150 is 51040834.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438040159) 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 11 ways as a sum of consecutive naturals, for example, 56356 + ... + 63655.

It is an arithmetic number, because the mean of its divisors is an integer number (34413441).

Almost surely, 2438040150 is an apocalyptic number.

438040150 is a deficient number, since it is larger than the sum of its proper divisors (387882434).

438040150 is a wasteful number, since it uses less digits than its factorization.

438040150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120096 (or 120091 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 438040150 is about 20929.4087350790. The cubic root of 438040150 is about 759.4595361075.

Adding to 438040150 its reverse (51040834), we get a palindrome (489080984).

The spelling of 438040150 in words is "four hundred thirty-eight million, forty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 73 146 365 730 1825 3650 120011 240022 600055 1200110 3000275 6000550 8760803 17521606 43804015 87608030 219020075 438040150