Base | Representation |
---|---|
bin | 10111000000000… |
… | …00000000000001 |
3 | 111110001021011022 |
4 | 23200000000001 |
5 | 343343003420 |
6 | 31051155225 |
7 | 4531642262 |
oct | 1340000001 |
9 | 443037138 |
10 | 192937985 |
11 | 999aa189 |
12 | 54745b15 |
13 | 30c83ab6 |
14 | 1b8a4969 |
15 | 11e11c25 |
hex | b800001 |
192937985 has 16 divisors (see below), whose sum is σ = 233997312. Its totient is φ = 152712000.
The previous prime is 192937933. The next prime is 192937991. The reversal of 192937985 is 589739291.
It is a Cullen number, since it is equal to 23×223+1.
It is a de Polignac number, because none of the positive numbers 2k-192937985 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317552 + ... + 318158.
It is an arithmetic number, because the mean of its divisors is an integer number (14624832).
It is a Proth number, since it is equal to 23 ⋅ 223 + 1 and 23 < 223.
Almost surely, 2192937985 is an apocalyptic number.
It is an amenable number.
192937985 is a deficient number, since it is larger than the sum of its proper divisors (41059327).
192937985 is a wasteful number, since it uses less digits than its factorization.
192937985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1184.
The product of its digits is 1224720, while the sum is 53.
The square root of 192937985 is about 13890.2118414371. The cubic root of 192937985 is about 577.8377527390.
The spelling of 192937985 in words is "one hundred ninety-two million, nine hundred thirty-seven thousand, nine hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •