Base | Representation |
---|---|
bin | 1001101000101… |
… | …01011011011101 |
3 | 12122002111100021 |
4 | 10310111123131 |
5 | 131143000000 |
6 | 12004232141 |
7 | 2001012340 |
oct | 464253335 |
9 | 178074307 |
10 | 80828125 |
11 | 41697404 |
12 | 2309b651 |
13 | 139902c1 |
14 | aa40457 |
15 | 716911a |
hex | 4d156dd |
80828125 has 28 divisors (see below), whose sum is σ = 115623520. Its totient is φ = 55350000.
The previous prime is 80828119. The next prime is 80828131. The reversal of 80828125 is 52182808.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (80828119) and next prime (80828131).
It is not a de Polignac number, because 80828125 - 29 = 80827613 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 109006 + ... + 109744.
Almost surely, 280828125 is an apocalyptic number.
It is an amenable number.
80828125 is a deficient number, since it is larger than the sum of its proper divisors (34795395).
80828125 is an frugal number, since it uses more digits than its factorization.
80828125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 776 (or 751 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 34.
The square root of 80828125 is about 8990.4463181758. The cubic root of 80828125 is about 432.3686214833.
The spelling of 80828125 in words is "eighty million, eight hundred twenty-eight thousand, one hundred twenty-five".
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