Base | Representation |
---|---|
bin | 100101000000101… |
… | …000100010011001 |
3 | 1121021101011021101 |
4 | 211000220202121 |
5 | 2232424014113 |
6 | 141340311401 |
7 | 21246521143 |
oct | 4500504231 |
9 | 1537334241 |
10 | 620923033 |
11 | 299549735 |
12 | 153b42561 |
13 | 9b8431a3 |
14 | 5c671c93 |
15 | 397a22dd |
hex | 25028899 |
620923033 has 4 divisors (see below), whose sum is σ = 626726160. Its totient is φ = 615119908.
The previous prime is 620923027. The next prime is 620923073. The reversal of 620923033 is 330329026.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330329026 = 2 ⋅165164513.
It is a cyclic number.
It is not a de Polignac number, because 620923033 - 29 = 620922521 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 620922992 and 620923010.
It is not an unprimeable number, because it can be changed into a prime (620923003) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2901403 + ... + 2901616.
It is an arithmetic number, because the mean of its divisors is an integer number (156681540).
Almost surely, 2620923033 is an apocalyptic number.
It is an amenable number.
620923033 is a deficient number, since it is larger than the sum of its proper divisors (5803127).
620923033 is a wasteful number, since it uses less digits than its factorization.
620923033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5803126.
The product of its (nonzero) digits is 5832, while the sum is 28.
The square root of 620923033 is about 24918.3272512422. The cubic root of 620923033 is about 853.1248454928.
The spelling of 620923033 in words is "six hundred twenty million, nine hundred twenty-three thousand, thirty-three".
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