Base | Representation |
---|---|
bin | 1001011001110111010 |
3 | 120122201010 |
4 | 1023032322 |
5 | 34330104 |
6 | 10334350 |
7 | 2422260 |
oct | 1131672 |
9 | 518633 |
10 | 308154 |
11 | 1a0580 |
12 | 12a3b6 |
13 | aa352 |
14 | 80430 |
15 | 61489 |
hex | 4b3ba |
308154 has 64 divisors (see below), whose sum is σ = 829440. Its totient is φ = 73920.
The previous prime is 308153. The next prime is 308213. The reversal of 308154 is 451803.
308154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 308154.
It is not an unprimeable number, because it can be changed into a prime (308153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10612 + ... + 10640.
It is an arithmetic number, because the mean of its divisors is an integer number (12960).
2308154 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 308154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414720).
308154 is an abundant number, since it is smaller than the sum of its proper divisors (521286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308154 is a wasteful number, since it uses less digits than its factorization.
308154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 308154 is about 555.1162040510. The cubic root of 308154 is about 67.5443878139.
Adding to 308154 its reverse (451803), we get a palindrome (759957).
The spelling of 308154 in words is "three hundred eight thousand, one hundred fifty-four".
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