Base | Representation |
---|---|
bin | 10001011001000… |
… | …01111010001111 |
3 | 101011112000202212 |
4 | 20230201322033 |
5 | 244322002314 |
6 | 22250541035 |
7 | 3421024034 |
oct | 1054417217 |
9 | 334460685 |
10 | 145890959 |
11 | 75396045 |
12 | 40a3777b |
13 | 242c0816 |
14 | 1553938b |
15 | cc1be3e |
hex | 8b21e8f |
145890959 has 16 divisors (see below), whose sum is σ = 153669120. Its totient is φ = 138378240.
The previous prime is 145890937. The next prime is 145890971. The reversal of 145890959 is 959098541.
145890959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 145890959 - 212 = 145886863 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145890919) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227279 + ... + 227919.
It is an arithmetic number, because the mean of its divisors is an integer number (9604320).
Almost surely, 2145890959 is an apocalyptic number.
145890959 is a deficient number, since it is larger than the sum of its proper divisors (7778161).
145890959 is an equidigital number, since it uses as much as digits as its factorization.
145890959 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 830.
The product of its (nonzero) digits is 583200, while the sum is 50.
The square root of 145890959 is about 12078.5329821133. The cubic root of 145890959 is about 526.4326210429.
The spelling of 145890959 in words is "one hundred forty-five million, eight hundred ninety thousand, nine hundred fifty-nine".
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