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40015219 is a prime number
BaseRepresentation
bin1001100010100…
…1010101110011
32210021222120011
42120221111303
540220441334
63545355351
7664060306
oct230512563
983258504
1040015219
1120651032
1211498b57
1383a075a
145458b3d
1537a6564
hex2629573

40015219 has 2 divisors, whose sum is σ = 40015220. Its totient is φ = 40015218.

The previous prime is 40015211. The next prime is 40015247. The reversal of 40015219 is 91251004.

40015219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40015219 - 23 = 40015211 is a prime.

It is a super-2 number, since 2×400152192 = 3202435503235922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40015219.

It is not a weakly prime, because it can be changed into another prime (40015211) 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 as a sum of consecutive naturals, namely, 20007609 + 20007610.

It is an arithmetic number, because the mean of its divisors is an integer number (20007610).

Almost surely, 240015219 is an apocalyptic number.

40015219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015219 is an equidigital number, since it uses as much as digits as its factorization.

40015219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 40015219 is about 6325.7583735075. The cubic root of 40015219 is about 342.0385573755.

The spelling of 40015219 in words is "forty million, fifteen thousand, two hundred nineteen".