Base | Representation |
---|---|
bin | 10010010110111… |
… | …10101010110001 |
3 | 101201210012222020 |
4 | 21023132222301 |
5 | 303411113040 |
6 | 23140502053 |
7 | 3550004451 |
oct | 1113365261 |
9 | 351705866 |
10 | 154004145 |
11 | 79a27659 |
12 | 436aa929 |
13 | 25ba1619 |
14 | 1664bd61 |
15 | d7c0cd0 |
hex | 92deab1 |
154004145 has 16 divisors (see below), whose sum is σ = 248042112. Its totient is φ = 81590400.
The previous prime is 154004143. The next prime is 154004153. The reversal of 154004145 is 541400451.
It is a happy number.
It is not a de Polignac number, because 154004145 - 21 = 154004143 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (154004143) 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, 31732 + ... + 36261.
It is an arithmetic number, because the mean of its divisors is an integer number (15502632).
Almost surely, 2154004145 is an apocalyptic number.
154004145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
154004145 is a deficient number, since it is larger than the sum of its proper divisors (94037967).
154004145 is a wasteful number, since it uses less digits than its factorization.
154004145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68152.
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 154004145 is about 12409.8406516764. The cubic root of 154004145 is about 536.0156500684.
Adding to 154004145 its reverse (541400451), we get a palindrome (695404596).
The spelling of 154004145 in words is "one hundred fifty-four million, four thousand, one hundred forty-five".
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