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40480401 = 313279843
BaseRepresentation
bin1001101001101…
…0111010010001
32211011121200010
42122122322101
540330333101
64003345133
71001035443
oct232327221
984147603
1040480401
1120939585
12116821a9
138504400
14553a493
1538492d6
hex269ae91

40480401 has 12 divisors (see below), whose sum is σ = 58445808. Its totient is φ = 24910704.

The previous prime is 40480379. The next prime is 40480403. The reversal of 40480401 is 10408404.

40480401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40480401 - 25 = 40480369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40480403) 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 11 ways as a sum of consecutive naturals, for example, 39415 + ... + 40428.

It is an arithmetic number, because the mean of its divisors is an integer number (4870484).

Almost surely, 240480401 is an apocalyptic number.

It is an amenable number.

40480401 is a deficient number, since it is larger than the sum of its proper divisors (17965407).

40480401 is a wasteful number, since it uses less digits than its factorization.

40480401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79872 (or 79859 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 40480401 is about 6362.4210014742. The cubic root of 40480401 is about 343.3588681378.

Adding to 40480401 its reverse (10408404), we get a palindrome (50888805).

The spelling of 40480401 in words is "forty million, four hundred eighty thousand, four hundred one".

Divisors: 1 3 13 39 169 507 79843 239529 1037959 3113877 13493467 40480401