Base | Representation |
---|---|
bin | 10001010010010… |
… | …00100101101110 |
3 | 101002211210201112 |
4 | 20221020211232 |
5 | 244110011224 |
6 | 22215512022 |
7 | 3410325620 |
oct | 1051104556 |
9 | 332753645 |
10 | 145000814 |
11 | 74938292 |
12 | 40688612 |
13 | 2406b5ca |
14 | 15386c10 |
15 | cae330e |
hex | 8a4896e |
145000814 has 8 divisors (see below), whose sum is σ = 248572848. Its totient is φ = 62143200.
The previous prime is 145000813. The next prime is 145000831. The reversal of 145000814 is 418000541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 145000814.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145000813) 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, 5178587 + ... + 5178614.
It is an arithmetic number, because the mean of its divisors is an integer number (31071606).
Almost surely, 2145000814 is an apocalyptic number.
145000814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
145000814 is a deficient number, since it is larger than the sum of its proper divisors (103572034).
145000814 is a wasteful number, since it uses less digits than its factorization.
145000814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10357210.
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 145000814 is about 12041.6283782552. The cubic root of 145000814 is about 525.3597703326.
The spelling of 145000814 in words is "one hundred forty-five million, eight hundred fourteen", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •