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241220040 = 23352010167
BaseRepresentation
bin11100110000010…
…11100111001000
3121210220020200120
432120023213020
5443223020130
635534103240
75656223265
oct1630134710
9553806616
10241220040
11114187206
126894ab20
133ac8a269
142407226c
151629c910
hexe60b9c8

241220040 has 32 divisors (see below), whose sum is σ = 723660480. Its totient is φ = 64325312.

The previous prime is 241220011. The next prime is 241220041. The reversal of 241220040 is 40022142.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (241220041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1004964 + ... + 1005203.

It is an arithmetic number, because the mean of its divisors is an integer number (22614390).

Almost surely, 2241220040 is an apocalyptic number.

241220040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241220040 is an abundant number, since it is smaller than the sum of its proper divisors (482440440).

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

241220040 is a wasteful number, since it uses less digits than its factorization.

241220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010181 (or 2010177 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 241220040 is about 15531.2600905400. The cubic root of 241220040 is about 622.4977629313.

Adding to 241220040 its reverse (40022142), we get a palindrome (281242182).

The spelling of 241220040 in words is "two hundred forty-one million, two hundred twenty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2010167 4020334 6030501 8040668 10050835 12061002 16081336 20101670 24122004 30152505 40203340 48244008 60305010 80406680 120610020 241220040