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40705033 is a prime number
BaseRepresentation
bin1001101101000…
…1110000001001
32211121000210211
42123101300021
540410030113
64012241121
71002662365
oct233216011
984530724
1040705033
1120a82326
12117701a1
138582725
1455982a5
153890b3d
hex26d1c09

40705033 has 2 divisors, whose sum is σ = 40705034. Its totient is φ = 40705032.

The previous prime is 40705001. The next prime is 40705037. The reversal of 40705033 is 33050704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24681024 + 16024009 = 4968^2 + 4003^2 .

It is a cyclic number.

It is not a de Polignac number, because 40705033 - 25 = 40705001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40704995 and 40705013.

It is not a weakly prime, because it can be changed into another prime (40705037) by changing a digit.

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 as a sum of consecutive naturals, namely, 20352516 + 20352517.

It is an arithmetic number, because the mean of its divisors is an integer number (20352517).

Almost surely, 240705033 is an apocalyptic number.

It is an amenable number.

40705033 is a deficient number, since it is larger than the sum of its proper divisors (1).

40705033 is an equidigital number, since it uses as much as digits as its factorization.

40705033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 40705033 is about 6380.0496079576. The cubic root of 40705033 is about 343.9928140963.

Adding to 40705033 its reverse (33050704), we get a palindrome (73755737).

The spelling of 40705033 in words is "forty million, seven hundred five thousand, thirty-three".