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240243132 = 22347616983
BaseRepresentation
bin11100101000111…
…01000110111100
3121202001121121210
432110131012330
5443000240012
635501124420
75645014203
oct1624350674
9552047553
10240243132
1111367a248
1268559710
133aa076cc
1423c9a23a
151615823c
hexe51d1bc

240243132 has 48 divisors (see below), whose sum is σ = 581962752. Its totient is φ = 77081280.

The previous prime is 240243121. The next prime is 240243137. The reversal of 240243132 is 231342042.

It is a junction number, because it is equal to n+sod(n) for n = 240243099 and 240243108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240243137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30913 + ... + 37895.

It is an arithmetic number, because the mean of its divisors is an integer number (12124224).

Almost surely, 2240243132 is an apocalyptic number.

It is an amenable number.

240243132 is an abundant number, since it is smaller than the sum of its proper divisors (341719620).

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

240243132 is a wasteful number, since it uses less digits than its factorization.

240243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098 (or 7096 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 240243132 is about 15499.7784500295. The cubic root of 240243132 is about 621.6562824931.

Adding to 240243132 its reverse (231342042), we get a palindrome (471585174).

The spelling of 240243132 in words is "two hundred forty million, two hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 47 61 94 122 141 183 188 244 282 366 564 732 2867 5734 6983 8601 11468 13966 17202 20949 27932 34404 41898 83796 328201 425963 656402 851926 984603 1277889 1312804 1703852 1969206 2555778 3938412 5111556 20020261 40040522 60060783 80081044 120121566 240243132