Base | Representation |
---|---|
bin | 10000101101000011001110 |
3 | 22020110121220 |
4 | 100231003032 |
5 | 2110110310 |
6 | 233504210 |
7 | 52135161 |
oct | 20550316 |
9 | 8213556 |
10 | 4378830 |
11 | 2520975 |
12 | 1572066 |
13 | ba4131 |
14 | 81dad8 |
15 | 5b7670 |
hex | 42d0ce |
4378830 has 32 divisors (see below), whose sum is σ = 10571904. Its totient is φ = 1160736.
The previous prime is 4378817. The next prime is 4378837. The reversal of 4378830 is 388734.
It is a junction number, because it is equal to n+sod(n) for n = 4378791 and 4378800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4378837) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6489 + ... + 7131.
It is an arithmetic number, because the mean of its divisors is an integer number (330372).
Almost surely, 24378830 is an apocalyptic number.
4378830 is an abundant number, since it is smaller than the sum of its proper divisors (6193074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4378830 is a wasteful number, since it uses less digits than its factorization.
4378830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 880.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 4378830 is about 2092.5654111640. The cubic root of 4378830 is about 163.6010280043.
The spelling of 4378830 in words is "four million, three hundred seventy-eight thousand, eight hundred thirty".
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