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240411421 = 2925732257
BaseRepresentation
bin11100101010001…
…10001100011101
3121202101011110201
432111012030131
5443021131141
635504503501
75646314635
oct1625061435
9552334421
10240411421
11113784728
126861ab91
133aa661a3
1423d016c5
151618d031
hexe54631d

240411421 has 8 divisors (see below), whose sum is σ = 249676920. Its totient is φ = 231211008.

The previous prime is 240411407. The next prime is 240411461. The reversal of 240411421 is 124114042.

240411421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 78765625 + 161645796 = 8875^2 + 12714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240411421 - 211 = 240409373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240411401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8676 + ... + 23581.

It is an arithmetic number, because the mean of its divisors is an integer number (31209615).

Almost surely, 2240411421 is an apocalyptic number.

It is an amenable number.

240411421 is a deficient number, since it is larger than the sum of its proper divisors (9265499).

240411421 is a wasteful number, since it uses less digits than its factorization.

240411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32543.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 240411421 is about 15505.2062546746. The cubic root of 240411421 is about 621.8014042213.

Adding to 240411421 its reverse (124114042), we get a palindrome (364525463).

The spelling of 240411421 in words is "two hundred forty million, four hundred eleven thousand, four hundred twenty-one".

Divisors: 1 29 257 7453 32257 935453 8290049 240411421