Base | Representation |
---|---|
bin | 1000010000100… |
… | …11110011010101 |
3 | 11211101011001211 |
4 | 10020103303111 |
5 | 120214142000 |
6 | 10513021421 |
7 | 1500634165 |
oct | 410236325 |
9 | 154334054 |
10 | 69287125 |
11 | 36124496 |
12 | 1b254871 |
13 | 1147c1cb |
14 | 92b85a5 |
15 | 61397ba |
hex | 4213cd5 |
69287125 has 32 divisors (see below), whose sum is σ = 90484992. Its totient is φ = 52920000.
The previous prime is 69287117. The next prime is 69287143. The reversal of 69287125 is 52178296.
It is not a de Polignac number, because 69287125 - 23 = 69287117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328270 + ... + 328480.
It is an arithmetic number, because the mean of its divisors is an integer number (2827656).
Almost surely, 269287125 is an apocalyptic number.
It is an amenable number.
69287125 is a deficient number, since it is larger than the sum of its proper divisors (21197867).
69287125 is a wasteful number, since it uses less digits than its factorization.
69287125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334 (or 324 counting only the distinct ones).
The product of its digits is 60480, while the sum is 40.
The square root of 69287125 is about 8323.8888147308. Note that the first 4 decimals coincide. The cubic root of 69287125 is about 410.7247245524.
The spelling of 69287125 in words is "sixty-nine million, two hundred eighty-seven thousand, one hundred twenty-five".
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