Base | Representation |
---|---|
bin | 10001110100001… |
… | …11111111011010 |
3 | 101102020002110100 |
4 | 20322013333122 |
5 | 301230023220 |
6 | 22455200230 |
7 | 3463226211 |
oct | 1072077732 |
9 | 342202410 |
10 | 149454810 |
11 | 773aa67a |
12 | 42076076 |
13 | 24c6a9cb |
14 | 15bc6078 |
15 | d1c2d90 |
hex | 8e87fda |
149454810 has 24 divisors (see below), whose sum is σ = 388582740. Its totient is φ = 39854592.
The previous prime is 149454731. The next prime is 149454827. The reversal of 149454810 is 18454941.
149454810 is a `hidden beast` number, since 14 + 94 + 548 + 10 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 139925241 + 9529569 = 11829^2 + 3087^2 .
It is a super-2 number, since 2×1494548102 = 44673480464272200, which contains 22 as substring.
It is a Curzon 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, 830215 + ... + 830394.
Almost surely, 2149454810 is an apocalyptic number.
149454810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149454810 is an abundant number, since it is smaller than the sum of its proper divisors (239127930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149454810 is a wasteful number, since it uses less digits than its factorization.
149454810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1660622 (or 1660619 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 149454810 is about 12225.1711644459. The cubic root of 149454810 is about 530.6847799814.
The spelling of 149454810 in words is "one hundred forty-nine million, four hundred fifty-four thousand, eight hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •