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240321140 = 22512016057
BaseRepresentation
bin11100101001100…
…00001001110100
3121202012120121222
432110300021310
5443010234030
635502525512
75645460503
oct1624601164
9552176558
10240321140
11113722914
1268596898
133aa34077
1423cba83a
15161713e5
hexe530274

240321140 has 12 divisors (see below), whose sum is σ = 504674436. Its totient is φ = 96128448.

The previous prime is 240321127. The next prime is 240321167. The reversal of 240321140 is 41123042.

It can be written as a sum of positive squares in 2 ways, for example, as 132618256 + 107702884 = 11516^2 + 10378^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6008009 + ... + 6008048.

It is an arithmetic number, because the mean of its divisors is an integer number (42056203).

Almost surely, 2240321140 is an apocalyptic number.

240321140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240321140 is an abundant number, since it is smaller than the sum of its proper divisors (264353296).

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

240321140 is a wasteful number, since it uses less digits than its factorization.

240321140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12016066 (or 12016064 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240321140 is about 15502.2946688547. The cubic root of 240321140 is about 621.7235600535.

Adding to 240321140 its reverse (41123042), we get a palindrome (281444182).

The spelling of 240321140 in words is "two hundred forty million, three hundred twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 12016057 24032114 48064228 60080285 120160570 240321140