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40220459 is a prime number
BaseRepresentation
bin1001100101101…
…1011100101011
32210200102002122
42121123130223
540244023314
63554021455
7665603546
oct231333453
983612078
1040220459
1120781254
121157788b
138442cb6
1454ad85d
1537e728e
hex265b72b

40220459 has 2 divisors, whose sum is σ = 40220460. Its totient is φ = 40220458.

The previous prime is 40220449. The next prime is 40220461. The reversal of 40220459 is 95402204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40220459 - 224 = 23443243 is a prime.

Together with 40220461, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (40220449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110229 + 20110230.

It is an arithmetic number, because the mean of its divisors is an integer number (20110230).

Almost surely, 240220459 is an apocalyptic number.

40220459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40220459 is an equidigital number, since it uses as much as digits as its factorization.

40220459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40220459 is about 6341.9601859362. The cubic root of 40220459 is about 342.6223378835.

The spelling of 40220459 in words is "forty million, two hundred twenty thousand, four hundred fifty-nine".