Base | Representation |
---|---|
bin | 1010000110000… |
… | …11110010011001 |
3 | 12220100121010112 |
4 | 11003003302121 |
5 | 133140004100 |
6 | 12223054105 |
7 | 2045556602 |
oct | 503036231 |
9 | 186317115 |
10 | 84688025 |
11 | 43893404 |
12 | 24441335 |
13 | 14712176 |
14 | b366da9 |
15 | 767cb35 |
hex | 50c3c99 |
84688025 has 12 divisors (see below), whose sum is σ = 105482832. Its totient is φ = 67447440.
The previous prime is 84688007. The next prime is 84688049. The reversal of 84688025 is 52088648.
It is not a de Polignac number, because 84688025 - 218 = 84425881 is a prime.
It is a Duffinian number.
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, 1787 + ... + 13136.
It is an arithmetic number, because the mean of its divisors is an integer number (8790236).
Almost surely, 284688025 is an apocalyptic number.
It is an amenable number.
84688025 is a deficient number, since it is larger than the sum of its proper divisors (20794807).
84688025 is a wasteful number, since it uses less digits than its factorization.
84688025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15160 (or 15155 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 41.
The square root of 84688025 is about 9202.6096842146. The cubic root of 84688025 is about 439.1443858240.
The spelling of 84688025 in words is "eighty-four million, six hundred eighty-eight thousand, twenty-five".
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