Base | Representation |
---|---|
bin | 1010001110001… |
… | …10011000001000 |
3 | 12222100102001112 |
4 | 11013012120020 |
5 | 133422402313 |
6 | 12301505452 |
7 | 2060560601 |
oct | 507063010 |
9 | 188312045 |
10 | 85747208 |
11 | 44447168 |
12 | 24872288 |
13 | 149c32c1 |
14 | b560da8 |
15 | 77db8a8 |
hex | 51c6608 |
85747208 has 8 divisors (see below), whose sum is σ = 160776030. Its totient is φ = 42873600.
The previous prime is 85747091. The next prime is 85747213. The reversal of 85747208 is 80274758.
It can be written as a sum of positive squares in only one way, i.e., 73650724 + 12096484 = 8582^2 + 3478^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5359193 + ... + 5359208.
Almost surely, 285747208 is an apocalyptic number.
It is an amenable number.
85747208 is a deficient number, since it is larger than the sum of its proper divisors (75028822).
85747208 is a wasteful number, since it uses less digits than its factorization.
85747208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10718407 (or 10718403 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 41.
The square root of 85747208 is about 9259.9788336691. The cubic root of 85747208 is about 440.9675814254.
The spelling of 85747208 in words is "eighty-five million, seven hundred forty-seven thousand, two hundred eight".
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