Base | Representation |
---|---|
bin | 10000001010111010010101 |
3 | 21222100210220 |
4 | 100022322111 |
5 | 2041121442 |
6 | 230504553 |
7 | 51013410 |
oct | 20127225 |
9 | 7870726 |
10 | 4238997 |
11 | 2435904 |
12 | 1505159 |
13 | b555a9 |
14 | 7c4b77 |
15 | 58aeec |
hex | 40ae95 |
4238997 has 16 divisors (see below), whose sum is σ = 6529152. Its totient is φ = 2396160.
The previous prime is 4238989. The next prime is 4238999. The reversal of 4238997 is 7998324.
It is not a de Polignac number, because 4238997 - 23 = 4238989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4238999) 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, 997 + ... + 3077.
It is an arithmetic number, because the mean of its divisors is an integer number (408072).
Almost surely, 24238997 is an apocalyptic number.
It is an amenable number.
4238997 is a deficient number, since it is larger than the sum of its proper divisors (2290155).
4238997 is a wasteful number, since it uses less digits than its factorization.
4238997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2188.
The product of its digits is 108864, while the sum is 42.
The square root of 4238997 is about 2058.8824638624. The cubic root of 4238997 is about 161.8406831843.
It can be divided in two parts, 42389 and 97, that added together give a triangular number (42486 = T291).
The spelling of 4238997 in words is "four million, two hundred thirty-eight thousand, nine hundred ninety-seven".
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