Base | Representation |
---|---|
bin | 100100111101100… |
… | …110111110010110 |
3 | 1121012212212201010 |
4 | 210331212332112 |
5 | 2232223131243 |
6 | 141311313050 |
7 | 21240006522 |
oct | 4475467626 |
9 | 1535785633 |
10 | 620130198 |
11 | 299057aa6 |
12 | 15381b786 |
13 | 9b62635c |
14 | 5c506d82 |
15 | 39697433 |
hex | 24f66f96 |
620130198 has 8 divisors (see below), whose sum is σ = 1240260408. Its totient is φ = 206710064.
The previous prime is 620130187. The next prime is 620130211. The reversal of 620130198 is 891031026.
It is a sphenic number, since it is the product of 3 distinct primes.
620130198 is an admirable number.
It is a super-2 number, since 2×6201301982 = 769122924943038408, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51677511 + ... + 51677522.
It is an arithmetic number, because the mean of its divisors is an integer number (155032551).
Almost surely, 2620130198 is an apocalyptic number.
620130198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620130198 is a wasteful number, since it uses less digits than its factorization.
620130198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103355038.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 620130198 is about 24902.4134974906. The cubic root of 620130198 is about 852.7615823665.
The spelling of 620130198 in words is "six hundred twenty million, one hundred thirty thousand, one hundred ninety-eight".
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