Search a number
-
+
431344148 = 22370129137
BaseRepresentation
bin11001101101011…
…100101000010100
31010001122112221012
4121231130220110
51340411003043
6110445111352
713455236054
oct3155345024
91101575835
10431344148
11201534274
12100558558
136b497331
1441403564
1527d05a18
hex19b5ca14

431344148 has 12 divisors (see below), whose sum is σ = 755082132. Its totient is φ = 215606400.

The previous prime is 431344141. The next prime is 431344181. The reversal of 431344148 is 841443134.

It can be written as a sum of positive squares in 2 ways, for example, as 300744964 + 130599184 = 17342^2 + 11428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431344141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 29372.

It is an arithmetic number, because the mean of its divisors is an integer number (62923511).

Almost surely, 2431344148 is an apocalyptic number.

It is an amenable number.

431344148 is a deficient number, since it is larger than the sum of its proper divisors (323737984).

431344148 is a wasteful number, since it uses less digits than its factorization.

431344148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32842 (or 32840 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 431344148 is about 20768.8263510483. The cubic root of 431344148 is about 755.5698798162.

The spelling of 431344148 in words is "four hundred thirty-one million, three hundred forty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 3701 7402 14804 29137 58274 116548 107836037 215672074 431344148