Base | Representation |
---|---|
bin | 10010011000001… |
… | …01111111111010 |
3 | 101202002101221210 |
4 | 21030011333322 |
5 | 303431241432 |
6 | 23144143550 |
7 | 3551245230 |
oct | 1114057772 |
9 | 352071853 |
10 | 154165242 |
11 | 7a0276a0 |
12 | 43767bb6 |
13 | 25c29a4a |
14 | 16690950 |
15 | d8038cc |
hex | 9305ffa |
154165242 has 32 divisors (see below), whose sum is σ = 384413184. Its totient is φ = 40042800.
The previous prime is 154165169. The next prime is 154165243. The reversal of 154165242 is 242561451.
154165242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (154165243) 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, 166384 + ... + 167307.
It is an arithmetic number, because the mean of its divisors is an integer number (12012912).
Almost surely, 2154165242 is an apocalyptic number.
154165242 is an abundant number, since it is smaller than the sum of its proper divisors (230247942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154165242 is a wasteful number, since it uses less digits than its factorization.
154165242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333714.
The product of its digits is 9600, while the sum is 30.
The square root of 154165242 is about 12416.3296509073. The cubic root of 154165242 is about 536.2024857788.
The spelling of 154165242 in words is "one hundred fifty-four million, one hundred sixty-five thousand, two hundred forty-two".
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