Base | Representation |
---|---|
bin | 100101000000011… |
… | …000101010111010 |
3 | 1121021020212010022 |
4 | 211000120222322 |
5 | 2232414424132 |
6 | 141335050442 |
7 | 21246130520 |
oct | 4500305272 |
9 | 1537225108 |
10 | 620858042 |
11 | 299504922 |
12 | 153b10a22 |
13 | 9b81c72c |
14 | 5c656310 |
15 | 3978ce12 |
hex | 25018aba |
620858042 has 32 divisors (see below), whose sum is σ = 1109790720. Its totient is φ = 254862720.
The previous prime is 620858027. The next prime is 620858057. The reversal of 620858042 is 240858026.
It is an interprime number because it is at equal distance from previous prime (620858027) and next prime (620858057).
It is a junction number, because it is equal to n+sod(n) for n = 620857993 and 620858011.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45542 + ... + 57582.
It is an arithmetic number, because the mean of its divisors is an integer number (34680960).
Almost surely, 2620858042 is an apocalyptic number.
620858042 is a deficient number, since it is larger than the sum of its proper divisors (488932678).
620858042 is a wasteful number, since it uses less digits than its factorization.
620858042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12206.
The product of its (nonzero) digits is 30720, while the sum is 35.
The square root of 620858042 is about 24917.0231368035. The cubic root of 620858042 is about 853.0950793927.
The spelling of 620858042 in words is "six hundred twenty million, eight hundred fifty-eight thousand, forty-two".
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