Base | Representation |
---|---|
bin | 10000001100111101011110 |
3 | 21222210022202 |
4 | 100030331132 |
5 | 2041404030 |
6 | 231011502 |
7 | 51050030 |
oct | 20147536 |
9 | 7883282 |
10 | 4247390 |
11 | 2441144 |
12 | 1509b92 |
13 | b59364 |
14 | 7c7c50 |
15 | 58d745 |
hex | 40cf5e |
4247390 has 32 divisors (see below), whose sum is σ = 8930304. Its totient is φ = 1424160.
The previous prime is 4247389. The next prime is 4247407. The reversal of 4247390 is 937424.
4247390 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.
4247390 is strictly pandigital in base 8.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2645 + ... + 3935.
It is an arithmetic number, because the mean of its divisors is an integer number (279072).
Almost surely, 24247390 is an apocalyptic number.
4247390 is an abundant number, since it is smaller than the sum of its proper divisors (4682914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4247390 is a wasteful number, since it uses less digits than its factorization.
4247390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1352.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 4247390 is about 2060.9196976108. The cubic root of 4247390 is about 161.9474248942.
The spelling of 4247390 in words is "four million, two hundred forty-seven thousand, three hundred ninety".
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