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417202889 = 1933895557
BaseRepresentation
bin11000110111100…
…000001011001001
31002002001002202212
4120313200023021
51323300443024
6105222034505
713224110645
oct3067401311
91062032685
10417202889
111a4555784
12b7878a35
136858581c
143d5a1c25
1526960a0e
hex18de02c9

417202889 has 8 divisors (see below), whose sum is σ = 420518280. Its totient is φ = 413899776.

The previous prime is 417202873. The next prime is 417202939. The reversal of 417202889 is 988202714.

It can be written as a sum of positive squares in 4 ways, for example, as 60295225 + 356907664 = 7765^2 + 18892^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 417202889 - 24 = 417202873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (417202829) 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, 72299 + ... + 77855.

It is an arithmetic number, because the mean of its divisors is an integer number (52564785).

Almost surely, 2417202889 is an apocalyptic number.

It is an amenable number.

417202889 is a deficient number, since it is larger than the sum of its proper divisors (3315391).

417202889 is a wasteful number, since it uses less digits than its factorization.

417202889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 417202889 is about 20425.5450110884. The cubic root of 417202889 is about 747.2210576528.

The spelling of 417202889 in words is "four hundred seventeen million, two hundred two thousand, eight hundred eighty-nine".

Divisors: 1 193 389 5557 75077 1072501 2161673 417202889