Base | Representation |
---|---|
bin | 100100111101111… |
… | …011011110101101 |
3 | 1121020001010220220 |
4 | 210331323132231 |
5 | 2232233323224 |
6 | 141313201553 |
7 | 21240506430 |
oct | 4475733655 |
9 | 1536033826 |
10 | 620214189 |
11 | 299105111 |
12 | 1538602b9 |
13 | 9b65565a |
14 | 5c529817 |
15 | 396b2279 |
hex | 24f7b7ad |
620214189 has 8 divisors (see below), whose sum is σ = 945088320. Its totient is φ = 354408096.
The previous prime is 620214163. The next prime is 620214197. The reversal of 620214189 is 981412026.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 620214189 - 25 = 620214157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (620214289) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14766984 + ... + 14767025.
It is an arithmetic number, because the mean of its divisors is an integer number (118136040).
Almost surely, 2620214189 is an apocalyptic number.
It is an amenable number.
620214189 is a deficient number, since it is larger than the sum of its proper divisors (324874131).
620214189 is a wasteful number, since it uses less digits than its factorization.
620214189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29534019.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 620214189 is about 24904.0998431985. The cubic root of 620214189 is about 852.8000802309.
The spelling of 620214189 in words is "six hundred twenty million, two hundred fourteen thousand, one hundred eighty-nine".
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