Base | Representation |
---|---|
bin | 10101111100111… |
… | …001011000100100 |
3 | 221122222211100100 |
4 | 111330321120210 |
5 | 1223240111340 |
6 | 100313344100 |
7 | 12061241562 |
oct | 2574713044 |
9 | 848884310 |
10 | 368285220 |
11 | 179984156 |
12 | a3408030 |
13 | 5b3b8c64 |
14 | 36caaa32 |
15 | 224eb830 |
hex | 15f39624 |
368285220 has 36 divisors (see below), whose sum is σ = 1117132380. Its totient is φ = 98209344.
The previous prime is 368285201. The next prime is 368285221. The reversal of 368285220 is 22582863.
It can be written as a sum of positive squares in 2 ways, for example, as 68856804 + 299428416 = 8298^2 + 17304^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (368285221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1022835 + ... + 1023194.
It is an arithmetic number, because the mean of its divisors is an integer number (31031455).
Almost surely, 2368285220 is an apocalyptic number.
368285220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
368285220 is an abundant number, since it is smaller than the sum of its proper divisors (748847160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
368285220 is a wasteful number, since it uses less digits than its factorization.
368285220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2046044 (or 2046039 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 368285220 is about 19190.7587135058. The cubic root of 368285220 is about 716.7946635154.
The spelling of 368285220 in words is "three hundred sixty-eight million, two hundred eighty-five thousand, two hundred twenty".
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