Base | Representation |
---|---|
bin | 10010010111010… |
… | …11000111000001 |
3 | 101201212210212122 |
4 | 21023223013001 |
5 | 303414230410 |
6 | 23141534025 |
7 | 3550306151 |
oct | 1113530701 |
9 | 351783778 |
10 | 154055105 |
11 | 79a61976 |
12 | 43714315 |
13 | 25bbb889 |
14 | 16662761 |
15 | d7d0e55 |
hex | 92eb1c1 |
154055105 has 16 divisors (see below), whose sum is σ = 202493520. Its totient is φ = 111992832.
The previous prime is 154055093. The next prime is 154055131. The reversal of 154055105 is 501550451.
It can be written as a sum of positive squares in 8 ways, for example, as 71824 + 153983281 = 268^2 + 12409^2 .
It is a cyclic number.
It is not a de Polignac number, because 154055105 - 210 = 154054081 is a prime.
It is a super-2 number, since 2×1540551052 = 47465950753122050, which contains 22 as substring.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 28784 + ... + 33713.
It is an arithmetic number, because the mean of its divisors is an integer number (12655845).
Almost surely, 2154055105 is an apocalyptic number.
It is an amenable number.
154055105 is a deficient number, since it is larger than the sum of its proper divisors (48438415).
154055105 is a wasteful number, since it uses less digits than its factorization.
154055105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62548.
The product of its (nonzero) digits is 2500, while the sum is 26.
The square root of 154055105 is about 12411.8936911335. The cubic root of 154055105 is about 536.0747661076.
The spelling of 154055105 in words is "one hundred fifty-four million, fifty-five thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.422 sec. • engine limits •