Base | Representation |
---|---|
bin | 1111011100110… |
… | …00001100010110 |
3 | 100000212021100110 |
4 | 13232120030112 |
5 | 231134120410 |
6 | 20505423450 |
7 | 3132365256 |
oct | 756301426 |
9 | 300767313 |
10 | 129598230 |
11 | 67178083 |
12 | 3749ab86 |
13 | 20b07958 |
14 | 132d7966 |
15 | b59e720 |
hex | 7b98316 |
129598230 has 16 divisors (see below), whose sum is σ = 311035824. Its totient is φ = 34559520.
The previous prime is 129598219. The next prime is 129598237. The reversal of 129598230 is 32895921.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129598237) 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, 2159941 + ... + 2160000.
It is an arithmetic number, because the mean of its divisors is an integer number (19439739).
Almost surely, 2129598230 is an apocalyptic number.
129598230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
129598230 is an abundant number, since it is smaller than the sum of its proper divisors (181437594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129598230 is a wasteful number, since it uses less digits than its factorization.
129598230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4319951.
The product of its (nonzero) digits is 38880, while the sum is 39.
The square root of 129598230 is about 11384.1218370149. The cubic root of 129598230 is about 506.0572953499.
The spelling of 129598230 in words is "one hundred twenty-nine million, five hundred ninety-eight thousand, two hundred thirty".
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