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419678442 = 2337771823
BaseRepresentation
bin11001000000111…
…100100011101010
31002020200212121000
4121000330203222
51324414202232
6105351055430
713254131211
oct3100744352
91066625530
10419678442
111a5996697
12b8671576
1368c41551
143da48078
1526c9e27c
hex1903c8ea

419678442 has 16 divisors (see below), whose sum is σ = 932618880. Its totient is φ = 139892796.

The previous prime is 419678437. The next prime is 419678443. The reversal of 419678442 is 244876914.

It is a super-2 number, since 2×4196784422 = 352259989359094728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (419678443) 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 in 7 ways as a sum of consecutive naturals, for example, 3885858 + ... + 3885965.

It is an arithmetic number, because the mean of its divisors is an integer number (58288680).

Almost surely, 2419678442 is an apocalyptic number.

419678442 is an abundant number, since it is smaller than the sum of its proper divisors (512940438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

419678442 is a wasteful number, since it uses less digits than its factorization.

419678442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771834 (or 7771828 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 419678442 is about 20486.0548178511. The cubic root of 419678442 is about 748.6960703370.

The spelling of 419678442 in words is "four hundred nineteen million, six hundred seventy-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 7771823 15543646 23315469 46630938 69946407 139892814 209839221 419678442