Base | Representation |
---|---|
bin | 10001010110011… |
… | …00110111111110 |
3 | 101010212022222200 |
4 | 20223030313332 |
5 | 244224331104 |
6 | 22235252330 |
7 | 3415043415 |
oct | 1053146776 |
9 | 333768880 |
10 | 145542654 |
11 | 75178394 |
12 | 408aa0a6 |
13 | 241cb11a |
14 | 1548847c |
15 | cb9db39 |
hex | 8accdfe |
145542654 has 24 divisors (see below), whose sum is σ = 315577080. Its totient is φ = 48478128.
The previous prime is 145542637. The next prime is 145542667. The reversal of 145542654 is 456245541.
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 11 ways as a sum of consecutive naturals, for example, 34492 + ... + 38480.
It is an arithmetic number, because the mean of its divisors is an integer number (13149045).
Almost surely, 2145542654 is an apocalyptic number.
145542654 is an abundant number, since it is smaller than the sum of its proper divisors (170034426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145542654 is a wasteful number, since it uses less digits than its factorization.
145542654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6024 (or 6021 counting only the distinct ones).
The product of its digits is 96000, while the sum is 36.
The square root of 145542654 is about 12064.1060174387. The cubic root of 145542654 is about 526.0133461991.
The spelling of 145542654 in words is "one hundred forty-five million, five hundred forty-two thousand, six hundred fifty-four".
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