Search a number
-
+
20242419 = 319334961
BaseRepresentation
bin100110100110…
…1111111110011
31102002102101020
41031031333303
520140224134
62001510523
7334025541
oct115157763
942072336
1020242419
111047647a
126942443
134269882
14298cd91
151b9cb49
hex134dff3

20242419 has 8 divisors (see below), whose sum is σ = 27130512. Its totient is φ = 13424640.

The previous prime is 20242373. The next prime is 20242433. The reversal of 20242419 is 91424202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20242419 - 219 = 19718131 is a prime.

It is a super-2 number, since 2×202424192 = 819511053943122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20242459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16902 + ... + 18059.

It is an arithmetic number, because the mean of its divisors is an integer number (3391314).

Almost surely, 220242419 is an apocalyptic number.

20242419 is a deficient number, since it is larger than the sum of its proper divisors (6888093).

20242419 is a wasteful number, since it uses less digits than its factorization.

20242419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35157.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20242419 is about 4499.1575878157. The cubic root of 20242419 is about 272.5340708739.

The spelling of 20242419 in words is "twenty million, two hundred forty-two thousand, four hundred nineteen".

Divisors: 1 3 193 579 34961 104883 6747473 20242419