Search a number
-
+
431113012 = 221123439907
BaseRepresentation
bin11001101100100…
…100001100110100
31010001012210212121
4121230210030310
51340331104022
6110440125324
713453254151
oct3154441464
91101183777
10431113012
11201396650
12100466844
136b416075
1441383228
1527cac2c7
hex19b24334

431113012 has 48 divisors (see below), whose sum is σ = 878879232. Its totient is φ = 183062880.

The previous prime is 431112977. The next prime is 431113031. The reversal of 431113012 is 210311134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38563 + ... + 48469.

It is an arithmetic number, because the mean of its divisors is an integer number (18309984).

Almost surely, 2431113012 is an apocalyptic number.

It is an amenable number.

431113012 is an abundant number, since it is smaller than the sum of its proper divisors (447766220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431113012 is a wasteful number, since it uses less digits than its factorization.

431113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9988 (or 9986 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 431113012 is about 20763.2611118774. The cubic root of 431113012 is about 755.4348981908.

Adding to 431113012 its reverse (210311134), we get a palindrome (641424146).

The spelling of 431113012 in words is "four hundred thirty-one million, one hundred thirteen thousand, twelve".

Divisors: 1 2 4 11 22 23 43 44 46 86 92 172 253 473 506 946 989 1012 1892 1978 3956 9907 10879 19814 21758 39628 43516 108977 217954 227861 426001 435908 455722 852002 911444 1704004 2506471 4686011 5012942 9372022 9798023 10025884 18744044 19596046 39192092 107778253 215556506 431113012