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428820710 = 25104940879
BaseRepresentation
bin11001100011110…
…100100011100110
31002212220100102112
4121203310203212
51334234230320
6110315041022
713424626103
oct3143644346
91085810375
10428820710
1120007038a
12bb740172
136aac2886
1440d47aaa
15279a7ec5
hex198f48e6

428820710 has 16 divisors (see below), whose sum is σ = 772632000. Its totient is φ = 171360576.

The previous prime is 428820683. The next prime is 428820719. The reversal of 428820710 is 17028824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428820719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9950 + ... + 30929.

It is an arithmetic number, because the mean of its divisors is an integer number (48289500).

Almost surely, 2428820710 is an apocalyptic number.

428820710 is a deficient number, since it is larger than the sum of its proper divisors (343811290).

428820710 is a wasteful number, since it uses less digits than its factorization.

428820710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41935.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 428820710 is about 20707.9866235228. The cubic root of 428820710 is about 754.0935923147.

The spelling of 428820710 in words is "four hundred twenty-eight million, eight hundred twenty thousand, seven hundred ten".

Divisors: 1 2 5 10 1049 2098 5245 10490 40879 81758 204395 408790 42882071 85764142 214410355 428820710