Base | Representation |
---|---|
bin | 1000101111001… |
… | …00011011101111 |
3 | 12002220101102102 |
4 | 10113210123233 |
5 | 122230144112 |
6 | 11134445315 |
7 | 1546634624 |
oct | 427443357 |
9 | 162811372 |
10 | 73287407 |
11 | 38406a06 |
12 | 2066383b |
13 | 1224cc3b |
14 | 9a3a34b |
15 | 6679bc2 |
hex | 45e46ef |
73287407 has 8 divisors (see below), whose sum is σ = 77552640. Its totient is φ = 69112120.
The previous prime is 73287371. The next prime is 73287419. The reversal of 73287407 is 70478237.
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 73287407 - 210 = 73286383 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 (73287457) 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, 20807 + ... + 24072.
It is an arithmetic number, because the mean of its divisors is an integer number (9694080).
Almost surely, 273287407 is an apocalyptic number.
73287407 is a deficient number, since it is larger than the sum of its proper divisors (4265233).
73287407 is a wasteful number, since it uses less digits than its factorization.
73287407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44973.
The product of its (nonzero) digits is 65856, while the sum is 38.
The square root of 73287407 is about 8560.8064456569. The cubic root of 73287407 is about 418.4816814688.
The spelling of 73287407 in words is "seventy-three million, two hundred eighty-seven thousand, four hundred seven".
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