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428545558 = 2730610397
BaseRepresentation
bin11001100010110…
…001011000010110
31002212101100222201
4121202301120112
51334201424213
6110305115114
713422401650
oct3142613026
91085340881
10428545558
111aa9a2691
12bb628a9a
136aa2756c
1440cb56d0
15279516dd
hex198b1616

428545558 has 8 divisors (see below), whose sum is σ = 734649552. Its totient is φ = 183662376.

The previous prime is 428545553. The next prime is 428545573. The reversal of 428545558 is 855545824.

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

It is a super-3 number, since 3×4285455583 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428545553) 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 3 ways as a sum of consecutive naturals, for example, 15305185 + ... + 15305212.

It is an arithmetic number, because the mean of its divisors is an integer number (91831194).

Almost surely, 2428545558 is an apocalyptic number.

428545558 is a deficient number, since it is larger than the sum of its proper divisors (306103994).

428545558 is a wasteful number, since it uses less digits than its factorization.

428545558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30610406.

The product of its digits is 1280000, while the sum is 46.

The square root of 428545558 is about 20701.3419371789. The cubic root of 428545558 is about 753.9322702286.

The spelling of 428545558 in words is "four hundred twenty-eight million, five hundred forty-five thousand, five hundred fifty-eight".

Divisors: 1 2 7 14 30610397 61220794 214272779 428545558