Base | Representation |
---|---|
bin | 1111101010001… |
… | …00111110111010 |
3 | 100011011111120111 |
4 | 13311010332322 |
5 | 232111321204 |
6 | 21011214534 |
7 | 3153331612 |
oct | 765047672 |
9 | 304144514 |
10 | 131354554 |
11 | 68167691 |
12 | 37ba744a |
13 | 212a11b6 |
14 | 13633a42 |
15 | b7e9d04 |
hex | 7d44fba |
131354554 has 8 divisors (see below), whose sum is σ = 197215380. Its totient is φ = 65616096.
The previous prime is 131354479. The next prime is 131354567. The reversal of 131354554 is 455453131.
It can be written as a sum of positive squares in 2 ways, for example, as 77845329 + 53509225 = 8823^2 + 7315^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 27859 + ... + 32230.
Almost surely, 2131354554 is an apocalyptic number.
131354554 is a deficient number, since it is larger than the sum of its proper divisors (65860826).
131354554 is a wasteful number, since it uses less digits than its factorization.
131354554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61184.
The product of its digits is 18000, while the sum is 31.
The square root of 131354554 is about 11461.0014396649. The cubic root of 131354554 is about 508.3330864701. Note that the first 3 decimals are identical.
It can be divided in two parts, 13135 and 4554, that added together give a square (17689 = 1332).
The spelling of 131354554 in words is "one hundred thirty-one million, three hundred fifty-four thousand, five hundred fifty-four".
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