Base | Representation |
---|---|
bin | 10001010011011… |
… | …01101001101010 |
3 | 101010010111221220 |
4 | 20221231221222 |
5 | 244124340433 |
6 | 22223042510 |
7 | 3411530322 |
oct | 1051555152 |
9 | 333114856 |
10 | 145152618 |
11 | 74a31346 |
12 | 40740436 |
13 | 240c2730 |
14 | 153c6282 |
15 | cb232b3 |
hex | 8a6da6a |
145152618 has 32 divisors (see below), whose sum is σ = 315119616. Its totient is φ = 44307648.
The previous prime is 145152607. The next prime is 145152629. The reversal of 145152618 is 816251541.
145152618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (145152607) and next prime (145152629).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2580 + ... + 17232.
It is an arithmetic number, because the mean of its divisors is an integer number (9847488).
Almost surely, 2145152618 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145152618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157559808).
145152618 is an abundant number, since it is smaller than the sum of its proper divisors (169966998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145152618 is a wasteful number, since it uses less digits than its factorization.
145152618 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14798.
The product of its digits is 9600, while the sum is 33.
The square root of 145152618 is about 12047.9300296773. The cubic root of 145152618 is about 525.5430426361.
The spelling of 145152618 in words is "one hundred forty-five million, one hundred fifty-two thousand, six hundred eighteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •