Base | Representation |
---|---|
bin | 1010001100001… |
… | …01011110111111 |
3 | 12221211220110001 |
4 | 11012011132333 |
5 | 133340401112 |
6 | 12252055131 |
7 | 2055402634 |
oct | 506053677 |
9 | 187756401 |
10 | 85481407 |
11 | 442854a0 |
12 | 247644a7 |
13 | 1492c31b |
14 | b4d218b |
15 | 7787c57 |
hex | 51857bf |
85481407 has 8 divisors (see below), whose sum is σ = 93386880. Its totient is φ = 77598360.
The previous prime is 85481401. The next prime is 85481411. The reversal of 85481407 is 70418458.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85481407 - 215 = 85448639 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85481401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944 + ... + 13402.
It is an arithmetic number, because the mean of its divisors is an integer number (11673360).
Almost surely, 285481407 is an apocalyptic number.
85481407 is a deficient number, since it is larger than the sum of its proper divisors (7905473).
85481407 is a wasteful number, since it uses less digits than its factorization.
85481407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11213.
The product of its (nonzero) digits is 35840, while the sum is 37.
The square root of 85481407 is about 9245.6155554944. The cubic root of 85481407 is about 440.5114696155.
The spelling of 85481407 in words is "eighty-five million, four hundred eighty-one thousand, four hundred seven".
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