Base | Representation |
---|---|
bin | 10010110101111001111101 |
3 | 100021221120100 |
4 | 102311321331 |
5 | 2231030024 |
6 | 253511313 |
7 | 56661360 |
oct | 22657175 |
9 | 10257510 |
10 | 4939389 |
11 | 2874044 |
12 | 17a2539 |
13 | 103c320 |
14 | 9280d7 |
15 | 6787c9 |
hex | 4b5e7d |
4939389 has 48 divisors (see below), whose sum is σ = 9073792. Its totient is φ = 2519424.
The previous prime is 4939387. The next prime is 4939391. The reversal of 4939389 is 9839394.
It is an interprime number because it is at equal distance from previous prime (4939387) and next prime (4939391).
It is not a de Polignac number, because 4939389 - 21 = 4939387 is a prime.
It is a d-powerful number, because it can be written as 46 + 93 + 310 + 93 + 314 + 85 + 95 .
4939389 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4939387) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30222 + ... + 30384.
Almost surely, 24939389 is an apocalyptic number.
It is an amenable number.
4939389 is a deficient number, since it is larger than the sum of its proper divisors (4134403).
4939389 is a wasteful number, since it uses less digits than its factorization.
4939389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226 (or 223 counting only the distinct ones).
The product of its digits is 209952, while the sum is 45.
The square root of 4939389 is about 2222.4736218907. The cubic root of 4939389 is about 170.3038280633.
The spelling of 4939389 in words is "four million, nine hundred thirty-nine thousand, three hundred eighty-nine".
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