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40430573 = 1723531951
BaseRepresentation
bin1001101000111…
…0101111101101
32211002002022122
42122032233231
540322234243
64002322325
71000440251
oct232165755
984062278
1040430573
11209050a7
12116593a5
1384b7821
145526261
153839668
hex268ebed

40430573 has 16 divisors (see below), whose sum is σ = 45536256. Its totient is φ = 35692800.

The previous prime is 40430563. The next prime is 40430581. The reversal of 40430573 is 37503404.

It is a cyclic number.

It is not a de Polignac number, because 40430573 - 24 = 40430557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40430543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19748 + ... + 21698.

It is an arithmetic number, because the mean of its divisors is an integer number (2846016).

Almost surely, 240430573 is an apocalyptic number.

It is an amenable number.

40430573 is a deficient number, since it is larger than the sum of its proper divisors (5105683).

40430573 is a wasteful number, since it uses less digits than its factorization.

40430573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 40430573 is about 6358.5039907198. The cubic root of 40430573 is about 343.2179282432.

Adding to 40430573 its reverse (37503404), we get a palindrome (77933977).

The spelling of 40430573 in words is "forty million, four hundred thirty thousand, five hundred seventy-three".

Divisors: 1 17 23 53 391 901 1219 1951 20723 33167 44873 103403 762841 1757851 2378269 40430573