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419847642 = 23223324869
BaseRepresentation
bin11001000001100…
…101110111011010
31002021000110200200
4121001211313122
51324440111032
6105354443030
713255434414
oct3101456732
91067013620
10419847642
111a5aa1825
12b8733476
1368ca0576
143da8d9b4
1526cd447c
hex19065dda

419847642 has 12 divisors (see below), whose sum is σ = 909669930. Its totient is φ = 139949208.

The previous prime is 419847629. The next prime is 419847647. The reversal of 419847642 is 246748914.

It can be written as a sum of positive squares in only one way, i.e., 362102841 + 57744801 = 19029^2 + 7599^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (419847647) 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, 11662417 + ... + 11662452.

Almost surely, 2419847642 is an apocalyptic number.

419847642 is an abundant number, since it is smaller than the sum of its proper divisors (489822288).

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

419847642 is a wasteful number, since it uses less digits than its factorization.

419847642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23324877 (or 23324874 counting only the distinct ones).

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

The square root of 419847642 is about 20490.1840401691. The cubic root of 419847642 is about 748.7966730382.

The spelling of 419847642 in words is "four hundred nineteen million, eight hundred forty-seven thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 23324869 46649738 69974607 139949214 209923821 419847642