Base | Representation |
---|---|
bin | 1001111111011… |
… | …10011010001001 |
3 | 12211201012020011 |
4 | 10333232122021 |
5 | 132424022100 |
6 | 12152231521 |
7 | 2035256521 |
oct | 477563211 |
9 | 184635204 |
10 | 83814025 |
11 | 43346799 |
12 | 2409b5a1 |
13 | 144973c9 |
14 | b1ba681 |
15 | 7558bba |
hex | 4fee689 |
83814025 has 9 divisors (see below), whose sum is σ = 103986183. Its totient is φ = 67014600.
The previous prime is 83814007. The next prime is 83814037. The reversal of 83814025 is 52041838.
The square root of 83814025 is 9155.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 30173049 + 53640976 = 5493^2 + 7324^2 .
It is not a de Polignac number, because 83814025 - 225 = 50259593 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44860 + ... + 46690.
Almost surely, 283814025 is an apocalyptic number.
83814025 is the 9155-th square number.
83814025 is the 4578-th centered octagonal number.
It is an amenable number.
83814025 is a deficient number, since it is larger than the sum of its proper divisors (20172158).
83814025 is an frugal number, since it uses more digits than its factorization.
83814025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3672 (or 1836 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 31.
The cubic root of 83814025 is about 437.6284683950.
The spelling of 83814025 in words is "eighty-three million, eight hundred fourteen thousand, twenty-five".
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