Base | Representation |
---|---|
bin | 10010011110001… |
… | …01010110111111 |
3 | 101210120020010220 |
4 | 21033011112333 |
5 | 304131332210 |
6 | 23213032423 |
7 | 3561021342 |
oct | 1117052677 |
9 | 353506126 |
10 | 154949055 |
11 | 7a512578 |
12 | 43a85713 |
13 | 26142741 |
14 | 16816459 |
15 | d90ac70 |
hex | 93c55bf |
154949055 has 16 divisors (see below), whose sum is σ = 249731424. Its totient is φ = 82035200.
The previous prime is 154949029. The next prime is 154949107. The reversal of 154949055 is 550949451.
It is not a de Polignac number, because 154949055 - 215 = 154916287 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 154948998 and 154949016.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35646 + ... + 39755.
It is an arithmetic number, because the mean of its divisors is an integer number (15608214).
Almost surely, 2154949055 is an apocalyptic number.
154949055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
154949055 is a deficient number, since it is larger than the sum of its proper divisors (94782369).
154949055 is a wasteful number, since it uses less digits than its factorization.
154949055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75546.
The product of its (nonzero) digits is 162000, while the sum is 42.
The square root of 154949055 is about 12447.8534294070. The cubic root of 154949055 is about 537.1096773229.
The spelling of 154949055 in words is "one hundred fifty-four million, nine hundred forty-nine thousand, fifty-five".
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