Base | Representation |
---|---|
bin | 10001010010100… |
… | …10001110110111 |
3 | 101002220210220101 |
4 | 20221102032313 |
5 | 244112242221 |
6 | 22220414531 |
7 | 3410552023 |
oct | 1051221667 |
9 | 332823811 |
10 | 145040311 |
11 | 74964a29 |
12 | 406a7447 |
13 | 24083590 |
14 | 15397383 |
15 | caeed91 |
hex | 8a523b7 |
145040311 has 8 divisors (see below), whose sum is σ = 165385584. Its totient is φ = 126007680.
The previous prime is 145040303. The next prime is 145040341. The reversal of 145040311 is 113040541.
145040311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 145040311 - 23 = 145040303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145040341) 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, 327925 + ... + 328366.
It is an arithmetic number, because the mean of its divisors is an integer number (20673198).
Almost surely, 2145040311 is an apocalyptic number.
145040311 is a deficient number, since it is larger than the sum of its proper divisors (20345273).
145040311 is a wasteful number, since it uses less digits than its factorization.
145040311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656321.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 145040311 is about 12043.2682856441. The cubic root of 145040311 is about 525.4074671938.
Adding to 145040311 its reverse (113040541), we get a palindrome (258080852).
The spelling of 145040311 in words is "one hundred forty-five million, forty thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •