42419 has 6 divisors (see below), whose sum is σ = 46116. Its totient is φ = 39000.
The previous prime is 42409. The next prime is 42433. The reversal of 42419 is 91424.
42419 = 122 + 132 + ... + 502.
It is not a de Polignac number, because 42419 - 24 = 42403 is a prime.
It is a super-2 number, since 2×424192 = 3598743122, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 7.
It is a self number, because there is not a number n which added to its sum of digits gives 42419.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42419.
It is not an unprimeable number, because it can be changed into a prime (42409) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44 + ... + 294.
It is an arithmetic number, because the mean of its divisors is an integer number (7686).
242419 is an apocalyptic number.
42419 is a deficient number, since it is larger than the sum of its proper divisors (3697).
42419 is a wasteful number, since it uses less digits than its factorization.
42419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 277 (or 264 counting only the distinct ones).
The product of its digits is 288, while the sum is 20.
The square root of 42419 is about 205.9587337308. The cubic root of 42419 is about 34.8754758567.
The spelling of 42419 in words is "forty-two thousand, four hundred nineteen".
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