Base | Representation |
---|---|
bin | 11000110001110… |
… | …10000111010101 |
3 | 112111010011221112 |
4 | 30120322013111 |
5 | 411202343320 |
6 | 32343024405 |
7 | 5102514263 |
oct | 1430720725 |
9 | 474104845 |
10 | 207856085 |
11 | a7369398 |
12 | 5973b105 |
13 | 340a8088 |
14 | 1d869433 |
15 | 133abec5 |
hex | c63a1d5 |
207856085 has 8 divisors (see below), whose sum is σ = 257473536. Its totient is φ = 160920720.
The previous prime is 207856073. The next prime is 207856111. The reversal of 207856085 is 580658702.
207856085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 207856085 - 28 = 207855829 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 7 ways as a sum of consecutive naturals, for example, 670349 + ... + 670658.
It is an arithmetic number, because the mean of its divisors is an integer number (32184192).
Almost surely, 2207856085 is an apocalyptic number.
It is an amenable number.
207856085 is a deficient number, since it is larger than the sum of its proper divisors (49617451).
207856085 is a wasteful number, since it uses less digits than its factorization.
207856085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1341043.
The product of its (nonzero) digits is 134400, while the sum is 41.
The square root of 207856085 is about 14417.2148836036. The cubic root of 207856085 is about 592.3625322746.
The spelling of 207856085 in words is "two hundred seven million, eight hundred fifty-six thousand, eighty-five".
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