Base | Representation |
---|---|
bin | 10001110100111… |
… | …10101010100000 |
3 | 101102101210211222 |
4 | 20322132222200 |
5 | 301241011210 |
6 | 22501154212 |
7 | 3464064032 |
oct | 1072365240 |
9 | 342353758 |
10 | 149547680 |
11 | 77463427 |
12 | 420bb968 |
13 | 24ca1069 |
14 | 15c0bc52 |
15 | d1e0655 |
hex | 8e9eaa0 |
149547680 has 24 divisors (see below), whose sum is σ = 353306772. Its totient is φ = 59819008.
The previous prime is 149547677. The next prime is 149547701. The reversal of 149547680 is 86745941.
It can be written as a sum of positive squares in 2 ways, for example, as 149132944 + 414736 = 12212^2 + 644^2 .
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 3 ways as a sum of consecutive naturals, for example, 467177 + ... + 467496.
Almost surely, 2149547680 is an apocalyptic number.
149547680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149547680 is an abundant number, since it is smaller than the sum of its proper divisors (203759092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149547680 is an equidigital number, since it uses as much as digits as its factorization.
149547680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 934688 (or 934680 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 44.
The square root of 149547680 is about 12228.9688853967. The cubic root of 149547680 is about 530.7946782859.
The spelling of 149547680 in words is "one hundred forty-nine million, five hundred forty-seven thousand, six hundred eighty".
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