Base | Representation |
---|---|
bin | 10001110110111… |
… | …10010101000010 |
3 | 101102220001120010 |
4 | 20323132111002 |
5 | 301322332300 |
6 | 22510525350 |
7 | 3466231221 |
oct | 1073362502 |
9 | 342801503 |
10 | 149808450 |
11 | 77621340 |
12 | 42206856 |
13 | 2506296c |
14 | 15c78cb8 |
15 | d242a50 |
hex | 8ede542 |
149808450 has 48 divisors (see below), whose sum is σ = 405304416. Its totient is φ = 36316800.
The previous prime is 149808433. The next prime is 149808469. The reversal of 149808450 is 54808941.
149808450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 149808399 and 149808408.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43747 + ... + 47046.
It is an arithmetic number, because the mean of its divisors is an integer number (8443842).
Almost surely, 2149808450 is an apocalyptic number.
149808450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149808450 is an abundant number, since it is smaller than the sum of its proper divisors (255495966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149808450 is a wasteful number, since it uses less digits than its factorization.
149808450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90819 (or 90814 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 149808450 is about 12239.6262197830. The cubic root of 149808450 is about 531.1030190848.
The spelling of 149808450 in words is "one hundred forty-nine million, eight hundred eight thousand, four hundred fifty".
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