Base | Representation |
---|---|
bin | 10010011011110… |
… | …10001010010100 |
3 | 101202222120122002 |
4 | 21031322022110 |
5 | 304042003134 |
6 | 23202254432 |
7 | 3555266345 |
oct | 1115721224 |
9 | 352876562 |
10 | 154641044 |
11 | 7a322118 |
12 | 43957418 |
13 | 2606549c |
14 | 167760cc |
15 | d89987e |
hex | 937a294 |
154641044 has 24 divisors (see below), whose sum is σ = 287596008. Its totient is φ = 72504320.
The previous prime is 154641043. The next prime is 154641059. The reversal of 154641044 is 440146451.
It can be written as a sum of positive squares in 4 ways, for example, as 49168144 + 105472900 = 7012^2 + 10270^2 .
It is a junction number, because it is equal to n+sod(n) for n = 154640998 and 154641016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154641043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15062 + ... + 23154.
It is an arithmetic number, because the mean of its divisors is an integer number (11983167).
Almost surely, 2154641044 is an apocalyptic number.
It is an amenable number.
154641044 is a deficient number, since it is larger than the sum of its proper divisors (132954964).
154641044 is a wasteful number, since it uses less digits than its factorization.
154641044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8395 (or 8393 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 29.
The square root of 154641044 is about 12435.4752221216. The cubic root of 154641044 is about 536.7535485964.
Adding to 154641044 its reverse (440146451), we get a palindrome (594787495).
The spelling of 154641044 in words is "one hundred fifty-four million, six hundred forty-one thousand, forty-four".
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