Base | Representation |
---|---|
bin | 1110111110100111… |
… | …1001101101110010 |
3 | 101101012201200220200 |
4 | 3233221321231302 |
5 | 31213302121210 |
6 | 1502550220030 |
7 | 201431500635 |
oct | 35751715562 |
9 | 11335650820 |
10 | 4020738930 |
11 | 178366973a |
12 | 942654616 |
13 | 4c1003280 |
14 | 2a1dd1c1c |
15 | 187ec00c0 |
hex | efa79b72 |
4020738930 has 192 divisors, whose sum is σ = 11733845760. Its totient is φ = 948423168.
The previous prime is 4020738929. The next prime is 4020738937. The reversal of 4020738930 is 398370204.
4020738930 is a `hidden beast` number, since 40 + 207 + 389 + 30 = 666.
It is not an unprimeable number, because it can be changed into a prime (4020738937) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5530227 + ... + 5530953.
It is an arithmetic number, because the mean of its divisors is an integer number (61113780).
Almost surely, 24020738930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4020738930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5866922880).
4020738930 is an abundant number, since it is smaller than the sum of its proper divisors (7713106830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4020738930 is a wasteful number, since it uses less digits than its factorization.
4020738930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 945 (or 942 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 4020738930 is about 63409.2968735658. The cubic root of 4020738930 is about 1590.1397408925.
The spelling of 4020738930 in words is "four billion, twenty million, seven hundred thirty-eight thousand, nine hundred thirty".
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