Base | Representation |
---|---|
bin | 100100111111011… |
… | …110110001100000 |
3 | 1121020210210211010 |
4 | 210333132301200 |
5 | 2232334332041 |
6 | 141330020520 |
7 | 21244122240 |
oct | 4477366140 |
9 | 1536723733 |
10 | 620620896 |
11 | 299362735 |
12 | 153a17740 |
13 | 9b7687cc |
14 | 5c5d3b20 |
15 | 39742a16 |
hex | 24fdec60 |
620620896 has 48 divisors (see below), whose sum is σ = 1861864704. Its totient is φ = 177320064.
The previous prime is 620620879. The next prime is 620620907. The reversal of 620620896 is 698026026.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461100 + ... + 462443.
It is an arithmetic number, because the mean of its divisors is an integer number (38788848).
Almost surely, 2620620896 is an apocalyptic number.
It is an amenable number.
620620896 is an abundant number, since it is smaller than the sum of its proper divisors (1241243808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620620896 is a wasteful number, since it uses less digits than its factorization.
620620896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923563 (or 923555 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 39.
The square root of 620620896 is about 24912.2639677730. The cubic root of 620620896 is about 852.9864480923.
The spelling of 620620896 in words is "six hundred twenty million, six hundred twenty thousand, eight hundred ninety-six".
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