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40471825 = 528571889
BaseRepresentation
bin1001101001100…
…0110100010001
32211011011220111
42122120310101
540330044300
64003241321
71001001442
oct232306421
984134814
1040471825
1120933099
1211679241
138500534
1455372c9
1538469ba
hex2698d11

40471825 has 12 divisors (see below), whose sum is σ = 50270220. Its totient is φ = 32322560.

The previous prime is 40471813. The next prime is 40471831. The reversal of 40471825 is 52817404.

It can be written as a sum of positive squares in 6 ways, for example, as 440896 + 40030929 = 664^2 + 6327^2 .

It is not a de Polignac number, because 40471825 - 217 = 40340753 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20481 + ... + 22369.

It is an arithmetic number, because the mean of its divisors is an integer number (4189185).

Almost surely, 240471825 is an apocalyptic number.

It is an amenable number.

40471825 is a deficient number, since it is larger than the sum of its proper divisors (9798395).

40471825 is a wasteful number, since it uses less digits than its factorization.

40471825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 40471825 is about 6361.7470084875. The cubic root of 40471825 is about 343.3346189246.

The spelling of 40471825 in words is "forty million, four hundred seventy-one thousand, eight hundred twenty-five".

Divisors: 1 5 25 857 1889 4285 9445 21425 47225 1618873 8094365 40471825