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428657300 = 22524286573
BaseRepresentation
bin11001100011001…
…100101010010100
31002212121001021022
4121203030222110
51334214013200
6110311340312
713423345511
oct3143145224
91085531238
10428657300
111aaa69635
12bb681698
136aa66396
1440d04308
1527974885
hex198cca94

428657300 has 18 divisors (see below), whose sum is σ = 930186558. Its totient is φ = 171462880.

The previous prime is 428657297. The next prime is 428657303. The reversal of 428657300 is 3756824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (428657297) and next prime (428657303).

It can be written as a sum of positive squares in 3 ways, for example, as 498436 + 428158864 = 706^2 + 20692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428657303) 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 5 ways as a sum of consecutive naturals, for example, 2143187 + ... + 2143386.

It is an arithmetic number, because the mean of its divisors is an integer number (51677031).

Almost surely, 2428657300 is an apocalyptic number.

It is an amenable number.

428657300 is an abundant number, since it is smaller than the sum of its proper divisors (501529258).

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

428657300 is a wasteful number, since it uses less digits than its factorization.

428657300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286587 (or 4286580 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 428657300 is about 20704.0406684299. The cubic root of 428657300 is about 753.9977930782.

The spelling of 428657300 in words is "four hundred twenty-eight million, six hundred fifty-seven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 4286573 8573146 17146292 21432865 42865730 85731460 107164325 214328650 428657300