Base | Representation |
---|---|
bin | 10010010111010… |
… | …01111111110001 |
3 | 101201212120121202 |
4 | 21023221333301 |
5 | 303414104140 |
6 | 23141500545 |
7 | 3550256645 |
oct | 1113517761 |
9 | 351776552 |
10 | 154050545 |
11 | 79a59500 |
12 | 43711755 |
13 | 25bb978c |
14 | 16660c25 |
15 | d7ce915 |
hex | 92e9ff1 |
154050545 has 24 divisors (see below), whose sum is σ = 205548840. Its totient is φ = 110739200.
The previous prime is 154050541. The next prime is 154050551. The reversal of 154050545 is 545050451.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5234944 + 148815601 = 2288^2 + 12199^2 .
It is not a de Polignac number, because 154050545 - 22 = 154050541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154050541) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 52415 + ... + 55275.
It is an arithmetic number, because the mean of its divisors is an integer number (8564535).
Almost surely, 2154050545 is an apocalyptic number.
It is an amenable number.
154050545 is a deficient number, since it is larger than the sum of its proper divisors (51498295).
154050545 is a wasteful number, since it uses less digits than its factorization.
154050545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2977 (or 2966 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 29.
The square root of 154050545 is about 12411.7099950007. The cubic root of 154050545 is about 536.0694768204.
The spelling of 154050545 in words is "one hundred fifty-four million, fifty thousand, five hundred forty-five".
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