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428684283 = 3247631587
BaseRepresentation
bin11001100011010…
…011001111111011
31002212122102021200
4121203103033323
51334220344113
6110312105243
713423520256
oct3143231773
91085572250
10428684283
111aaa87935
12bb695223
136aa75751
1440d1009d
152797c873
hex198d33fb

428684283 has 6 divisors (see below), whose sum is σ = 619210644. Its totient is φ = 285789516.

The previous prime is 428684231. The next prime is 428684303. The reversal of 428684283 is 382486824.

It is not a de Polignac number, because 428684283 - 26 = 428684219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428684983) 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, 23815785 + ... + 23815802.

It is an arithmetic number, because the mean of its divisors is an integer number (103201774).

Almost surely, 2428684283 is an apocalyptic number.

428684283 is a deficient number, since it is larger than the sum of its proper divisors (190526361).

428684283 is a wasteful number, since it uses less digits than its factorization.

428684283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47631593 (or 47631590 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 428684283 is about 20704.6922942603. The cubic root of 428684283 is about 754.0136135604.

The spelling of 428684283 in words is "four hundred twenty-eight million, six hundred eighty-four thousand, two hundred eighty-three".

Divisors: 1 3 9 47631587 142894761 428684283