Base | Representation |
---|---|
bin | 111001110111… |
… | …1000010000111 |
3 | 2010002101120100 |
4 | 1303233002013 |
5 | 30231323312 |
6 | 3002135143 |
7 | 515610333 |
oct | 163570207 |
9 | 63071510 |
10 | 30339207 |
11 | 16142328 |
12 | a1b14b3 |
13 | 63934c2 |
14 | 405a7c3 |
15 | 29e45dc |
hex | 1cef087 |
30339207 has 12 divisors (see below), whose sum is σ = 44159544. Its totient is φ = 20070960.
The previous prime is 30339187. The next prime is 30339227. The reversal of 30339207 is 70293303.
It is an interprime number because it is at equal distance from previous prime (30339187) and next prime (30339227).
It is not a de Polignac number, because 30339207 - 211 = 30337159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30339227) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11688 + ... + 14045.
It is an arithmetic number, because the mean of its divisors is an integer number (3679962).
Almost surely, 230339207 is an apocalyptic number.
30339207 is a deficient number, since it is larger than the sum of its proper divisors (13820337).
30339207 is a wasteful number, since it uses less digits than its factorization.
30339207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25870 (or 25867 counting only the distinct ones).
The product of its (nonzero) digits is 3402, while the sum is 27.
The square root of 30339207 is about 5508.1037571927. The cubic root of 30339207 is about 311.8899698304.
The spelling of 30339207 in words is "thirty million, three hundred thirty-nine thousand, two hundred seven".
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