Base | Representation |
---|---|
bin | 10010010111111… |
… | …11111010010100 |
3 | 101202001010202022 |
4 | 21023333322110 |
5 | 303424442213 |
6 | 23143432312 |
7 | 3551112440 |
oct | 1113777224 |
9 | 352033668 |
10 | 154140308 |
11 | 7a00a993 |
12 | 43755698 |
13 | 25c1b5aa |
14 | 16685820 |
15 | d7eb308 |
hex | 92ffe94 |
154140308 has 48 divisors (see below), whose sum is σ = 319807488. Its totient is φ = 63612000.
The previous prime is 154140263. The next prime is 154140341. The reversal of 154140308 is 803041451.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269663 + ... + 270233.
It is an arithmetic number, because the mean of its divisors is an integer number (6662656).
Almost surely, 2154140308 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154140308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159903744).
154140308 is an abundant number, since it is smaller than the sum of its proper divisors (165667180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154140308 is a wasteful number, since it uses less digits than its factorization.
154140308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 924 (or 922 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 154140308 is about 12415.3255293609. The cubic root of 154140308 is about 536.1735765524.
Adding to 154140308 its reverse (803041451), we get a palindrome (957181759).
The spelling of 154140308 in words is "one hundred fifty-four million, one hundred forty thousand, three hundred eight".
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