Base | Representation |
---|---|
bin | 11001100001001… |
… | …010100001011111 |
3 | 1002211120222001220 |
4 | 121201022201133 |
5 | 1334044434010 |
6 | 110252104423 |
7 | 13415665446 |
oct | 3141124137 |
9 | 1084528056 |
10 | 428124255 |
11 | 1aa7350a9 |
12 | bb465113 |
13 | 6a90a880 |
14 | 40c05d5d |
15 | 278bb970 |
hex | 1984a85f |
428124255 has 32 divisors (see below), whose sum is σ = 755697600. Its totient is φ = 205624320.
The previous prime is 428124241. The next prime is 428124271. The reversal of 428124255 is 552421824.
It is not a de Polignac number, because 428124255 - 27 = 428124127 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18780 + ... + 34769.
It is an arithmetic number, because the mean of its divisors is an integer number (23615550).
Almost surely, 2428124255 is an apocalyptic number.
428124255 is a deficient number, since it is larger than the sum of its proper divisors (327573345).
428124255 is a wasteful number, since it uses less digits than its factorization.
428124255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53611.
The product of its digits is 25600, while the sum is 33.
The square root of 428124255 is about 20691.1636937123. The cubic root of 428124255 is about 753.6851256976.
The spelling of 428124255 in words is "four hundred twenty-eight million, one hundred twenty-four thousand, two hundred fifty-five".
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