Base | Representation |
---|---|
bin | 10001101100000… |
… | …01111011000100 |
3 | 101100012112222200 |
4 | 20312001323010 |
5 | 300441201010 |
6 | 22420154500 |
7 | 3451135530 |
oct | 1066017304 |
9 | 340175880 |
10 | 148381380 |
11 | 76837144 |
12 | 41838a30 |
13 | 24983244 |
14 | 159c6bc0 |
15 | d05ecc0 |
hex | 8d81ec4 |
148381380 has 72 divisors (see below), whose sum is σ = 514393152. Its totient is φ = 33915456.
The previous prime is 148381379. The next prime is 148381391. The reversal of 148381380 is 83183841.
148381380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 57622 + ... + 60141.
Almost surely, 2148381380 is an apocalyptic number.
148381380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
148381380 is an abundant number, since it is smaller than the sum of its proper divisors (366011772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148381380 is a wasteful number, since it uses less digits than its factorization.
148381380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117785 (or 117780 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 148381380 is about 12181.1895970796. The cubic root of 148381380 is about 529.4112127663.
The spelling of 148381380 in words is "one hundred forty-eight million, three hundred eighty-one thousand, three hundred eighty".
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