Base | Representation |
---|---|
bin | 10010011000100… |
… | …10001011010110 |
3 | 101202011221101100 |
4 | 21030102023112 |
5 | 303434341001 |
6 | 23145210530 |
7 | 3551543532 |
oct | 1114221326 |
9 | 352157340 |
10 | 154215126 |
11 | 7a06111a |
12 | 43790a46 |
13 | 25c46670 |
14 | 166a4bc2 |
15 | d813586 |
hex | 93122d6 |
154215126 has 48 divisors (see below), whose sum is σ = 381011904. Its totient is φ = 44658432.
The previous prime is 154215121. The next prime is 154215133. The reversal of 154215126 is 621512451.
It is a self number, because there is not a number n which added to its sum of digits gives 154215126.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154215121) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15406 + ... + 23361.
It is an arithmetic number, because the mean of its divisors is an integer number (7937748).
Almost surely, 2154215126 is an apocalyptic number.
154215126 is an abundant number, since it is smaller than the sum of its proper divisors (226796778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154215126 is a wasteful number, since it uses less digits than its factorization.
154215126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38805 (or 38802 counting only the distinct ones).
The product of its digits is 2400, while the sum is 27.
The square root of 154215126 is about 12418.3382946351. The cubic root of 154215126 is about 536.2603134274.
Adding to 154215126 its reverse (621512451), we get a palindrome (775727577).
The spelling of 154215126 in words is "one hundred fifty-four million, two hundred fifteen thousand, one hundred twenty-six".
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