Base | Representation |
---|---|
bin | 101011111100101001010 |
3 | 2201011102002 |
4 | 11133211022 |
5 | 332040244 |
6 | 50511002 |
7 | 15145316 |
oct | 5374512 |
9 | 2634362 |
10 | 1440074 |
11 | 8a3a49 |
12 | 595462 |
13 | 3b561c |
14 | 296b46 |
15 | 1d6a4e |
hex | 15f94a |
1440074 has 8 divisors (see below), whose sum is σ = 2229888. Its totient is φ = 696780.
The previous prime is 1440037. The next prime is 1440079. The reversal of 1440074 is 4700441.
1440074 is nontrivially palindromic in base 9.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×14400743 = 8959333088570175672, which contains 333 as substring.
It is an Ulam number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1440079) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11552 + ... + 11675.
It is an arithmetic number, because the mean of its divisors is an integer number (278736).
21440074 is an apocalyptic number.
1440074 is a deficient number, since it is larger than the sum of its proper divisors (789814).
1440074 is a wasteful number, since it uses less digits than its factorization.
1440074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23260.
The product of its (nonzero) digits is 448, while the sum is 20.
The square root of 1440074 is about 1200.0308329372. The cubic root of 1440074 is about 112.9262577844.
The spelling of 1440074 in words is "one million, four hundred forty thousand, seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •