Base | Representation |
---|---|
bin | 1001010110100… |
… | …1111010011010 |
3 | 2201211010222211 |
4 | 2111221322122 |
5 | 40020344010 |
6 | 3520505334 |
7 | 654313321 |
oct | 225517232 |
9 | 81733884 |
10 | 39231130 |
11 | 20165a24 |
12 | 1117b24a |
13 | 81878b3 |
14 | 52d30b8 |
15 | 369e08a |
hex | 2569e9a |
39231130 has 16 divisors (see below), whose sum is σ = 71949384. Its totient is φ = 15396160.
The previous prime is 39231109. The next prime is 39231131. The reversal of 39231130 is 3113293.
It can be written as a sum of positive squares in 4 ways, for example, as 31663129 + 7568001 = 5627^2 + 2751^2 .
It is a super-2 number, since 2×392311302 = 3078163122153800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (39231131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36481 + ... + 37540.
Almost surely, 239231130 is an apocalyptic number.
39231130 is a deficient number, since it is larger than the sum of its proper divisors (32718254).
39231130 is a wasteful number, since it uses less digits than its factorization.
39231130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74081.
The product of its (nonzero) digits is 486, while the sum is 22.
The square root of 39231130 is about 6263.4758720698. The cubic root of 39231130 is about 339.7897489033.
The spelling of 39231130 in words is "thirty-nine million, two hundred thirty-one thousand, one hundred thirty".
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