Base | Representation |
---|---|
bin | 100100111101001… |
… | …010001000100110 |
3 | 1121012122212200000 |
4 | 210331022020212 |
5 | 2232210341240 |
6 | 141305002130 |
7 | 21236005236 |
oct | 4475121046 |
9 | 1535585600 |
10 | 620012070 |
11 | 298a87277 |
12 | 153783346 |
13 | 9b5b4662 |
14 | 5c4b5cc6 |
15 | 39672430 |
hex | 24f4a226 |
620012070 has 48 divisors (see below), whose sum is σ = 1671742800. Its totient is φ = 165335904.
The previous prime is 620012039. The next prime is 620012077. The reversal of 620012070 is 70210026.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (620012077) 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 23 ways as a sum of consecutive naturals, for example, 125145 + ... + 130004.
It is an arithmetic number, because the mean of its divisors is an integer number (34827975).
Almost surely, 2620012070 is an apocalyptic number.
620012070 is an abundant number, since it is smaller than the sum of its proper divisors (1051730730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620012070 is a wasteful number, since it uses less digits than its factorization.
620012070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255171 (or 255159 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 620012070 is about 24900.0415662304. The cubic root of 620012070 is about 852.7074316858.
Adding to 620012070 its reverse (70210026), we get a palindrome (690222096).
The spelling of 620012070 in words is "six hundred twenty million, twelve thousand, seventy".
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