Base | Representation |
---|---|
bin | 10010011000101… |
… | …00011100011101 |
3 | 101202012102010022 |
4 | 21030110130131 |
5 | 303440140123 |
6 | 23145321525 |
7 | 3551612600 |
oct | 1114243435 |
9 | 352172108 |
10 | 154224413 |
11 | 7a0680a2 |
12 | 437962a5 |
13 | 25c4a965 |
14 | 166a8337 |
15 | d8161c8 |
hex | 931471d |
154224413 has 12 divisors (see below), whose sum is σ = 179736732. Its totient is φ = 131947200.
The previous prime is 154224341. The next prime is 154224449. The reversal of 154224413 is 314422451.
It can be written as a sum of positive squares in 2 ways, for example, as 130827844 + 23396569 = 11438^2 + 4837^2 .
It is not a de Polignac number, because 154224413 - 28 = 154224157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154224113) 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 11 ways as a sum of consecutive naturals, for example, 26831 + ... + 32067.
It is an arithmetic number, because the mean of its divisors is an integer number (14978061).
Almost surely, 2154224413 is an apocalyptic number.
It is an amenable number.
154224413 is a deficient number, since it is larger than the sum of its proper divisors (25512319).
154224413 is an equidigital number, since it uses as much as digits as its factorization.
154224413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5852 (or 5845 counting only the distinct ones).
The product of its digits is 3840, while the sum is 26.
The square root of 154224413 is about 12418.7122118197. The cubic root of 154224413 is about 536.2710779347.
Adding to 154224413 its reverse (314422451), we get a palindrome (468646864).
The spelling of 154224413 in words is "one hundred fifty-four million, two hundred twenty-four thousand, four hundred thirteen".
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