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40430241 = 324492249
BaseRepresentation
bin1001101000111…
…0101010100001
32211002001212100
42122032222201
540322231431
64002321013
71000436265
oct232165241
984061770
1040430241
1120904925
1211659169
1384b7627
1455260a5
1538394e6
hex268eaa1

40430241 has 6 divisors (see below), whose sum is σ = 58399250. Its totient is φ = 26953488.

The previous prime is 40430239. The next prime is 40430249. The reversal of 40430241 is 14203404.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 1679616 = 6225^2 + 1296^2 .

It is not a de Polignac number, because 40430241 - 21 = 40430239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40430249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2246116 + ... + 2246133.

Almost surely, 240430241 is an apocalyptic number.

It is an amenable number.

40430241 is a deficient number, since it is larger than the sum of its proper divisors (17969009).

40430241 is a wasteful number, since it uses less digits than its factorization.

40430241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492255 (or 4492252 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40430241 is about 6358.4778838964. The cubic root of 40430241 is about 343.2169887836.

Adding to 40430241 its reverse (14203404), we get a palindrome (54633645).

The spelling of 40430241 in words is "forty million, four hundred thirty thousand, two hundred forty-one".

Divisors: 1 3 9 4492249 13476747 40430241