Search a number
-
+
532140240 = 24352217251
BaseRepresentation
bin11111101101111…
…101000011010000
31101002022112011210
4133231331003100
52042211441430
6124445340120
716121055162
oct3755750320
91332275153
10532140240
11253419925
1212a267640
13863292a8
1450960932
1531ab62b0
hex1fb7d0d0

532140240 has 40 divisors (see below), whose sum is σ = 1649635488. Its totient is φ = 141904000.

The previous prime is 532140229. The next prime is 532140241. The reversal of 532140240 is 42041235.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532140241) 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 7 ways as a sum of consecutive naturals, for example, 1108386 + ... + 1108865.

Almost surely, 2532140240 is an apocalyptic number.

It is an amenable number.

532140240 is an abundant number, since it is smaller than the sum of its proper divisors (1117495248).

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

532140240 is a wasteful number, since it uses less digits than its factorization.

532140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217267 (or 2217261 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 532140240 is about 23068.1650765725. The cubic root of 532140240 is about 810.3550950315.

Adding to 532140240 its reverse (42041235), we get a palindrome (574181475).

The spelling of 532140240 in words is "five hundred thirty-two million, one hundred forty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2217251 4434502 6651753 8869004 11086255 13303506 17738008 22172510 26607012 33258765 35476016 44345020 53214024 66517530 88690040 106428048 133035060 177380080 266070120 532140240