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419990163 = 3139996721
BaseRepresentation
bin11001000010001…
…000101010010011
31002021021201012020
4121002020222103
51330004141123
6105401502523
713256600055
oct3102105223
91067251166
10419990163
111a608990a
12b87a1a43
13690203b8
143dac98d5
1526d117e3
hex19088a93

419990163 has 4 divisors (see below), whose sum is σ = 559986888. Its totient is φ = 279993440.

The previous prime is 419990161. The next prime is 419990173. The reversal of 419990163 is 361099914.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 419990163 - 21 = 419990161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (419990161) 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 in 3 ways as a sum of consecutive naturals, for example, 69998358 + ... + 69998363.

It is an arithmetic number, because the mean of its divisors is an integer number (139996722).

Almost surely, 2419990163 is an apocalyptic number.

419990163 is a deficient number, since it is larger than the sum of its proper divisors (139996725).

419990163 is a wasteful number, since it uses less digits than its factorization.

419990163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139996724.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 419990163 is about 20493.6615322885. The cubic root of 419990163 is about 748.8813920065.

The spelling of 419990163 in words is "four hundred nineteen million, nine hundred ninety thousand, one hundred sixty-three".

Divisors: 1 3 139996721 419990163