Base | Representation |
---|---|
bin | 101011011001101… |
… | …011101101000100 |
3 | 1212202010222222221 |
4 | 223121223231010 |
5 | 2442401343100 |
6 | 200130502124 |
7 | 24021124516 |
oct | 5331535504 |
9 | 1782128887 |
10 | 728152900 |
11 | 344029062 |
12 | 183a34944 |
13 | b7b18707 |
14 | 6c9c5bb6 |
15 | 43dd401a |
hex | 2b66bb44 |
728152900 has 36 divisors (see below), whose sum is σ = 1581930000. Its totient is φ = 290922400.
The previous prime is 728152897. The next prime is 728152921. The reversal of 728152900 is 9251827.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93351 + ... + 100849.
It is an arithmetic number, because the mean of its divisors is an integer number (43942500).
Almost surely, 2728152900 is an apocalyptic number.
It is an amenable number.
728152900 is an abundant number, since it is smaller than the sum of its proper divisors (853777100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
728152900 is a wasteful number, since it uses less digits than its factorization.
728152900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8484 (or 8477 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 728152900 is about 26984.3084032183. The cubic root of 728152900 is about 899.6512640647.
The spelling of 728152900 in words is "seven hundred twenty-eight million, one hundred fifty-two thousand, nine hundred".
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