Base | Representation |
---|---|
bin | 1000110010111… |
… | …10101011110001 |
3 | 12010211211022021 |
4 | 10121132223301 |
5 | 122342210040 |
6 | 11153311441 |
7 | 1554121534 |
oct | 431365361 |
9 | 163754267 |
10 | 73788145 |
11 | 38719142 |
12 | 20865581 |
13 | 12396b32 |
14 | 9b2aa1b |
15 | 672824a |
hex | 465eaf1 |
73788145 has 8 divisors (see below), whose sum is σ = 88635456. Its totient is φ = 58970736.
The previous prime is 73788139. The next prime is 73788157. The reversal of 73788145 is 54188737.
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 73788145 - 27 = 73788017 is a prime.
It is a Duffinian 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, 1627 + ... + 12256.
It is an arithmetic number, because the mean of its divisors is an integer number (11079432).
Almost surely, 273788145 is an apocalyptic number.
It is an amenable number.
73788145 is a deficient number, since it is larger than the sum of its proper divisors (14847311).
73788145 is a wasteful number, since it uses less digits than its factorization.
73788145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14951.
The product of its digits is 188160, while the sum is 43.
The square root of 73788145 is about 8590.0026193244. The cubic root of 73788145 is about 419.4326144282.
The spelling of 73788145 in words is "seventy-three million, seven hundred eighty-eight thousand, one hundred forty-five".
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