Base | Representation |
---|---|
bin | 10001101010101… |
… | …10011010000100 |
3 | 101022212111111012 |
4 | 20311112122010 |
5 | 300420000030 |
6 | 22412301352 |
7 | 3446464061 |
oct | 1065263204 |
9 | 338774435 |
10 | 148203140 |
11 | 76725238 |
12 | 41771858 |
13 | 24920087 |
14 | 1597bc68 |
15 | d027095 |
hex | 8d56684 |
148203140 has 48 divisors (see below), whose sum is σ = 319552128. Its totient is φ = 57717504.
The previous prime is 148203119. The next prime is 148203193. The reversal of 148203140 is 41302841.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120569 + ... + 121791.
It is an arithmetic number, because the mean of its divisors is an integer number (6657336).
Almost surely, 2148203140 is an apocalyptic number.
148203140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
148203140 is an abundant number, since it is smaller than the sum of its proper divisors (171348988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148203140 is a wasteful number, since it uses less digits than its factorization.
148203140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 148203140 is about 12173.8712002386. The cubic root of 148203140 is about 529.1991464829.
Adding to 148203140 its reverse (41302841), we get a palindrome (189505981).
The spelling of 148203140 in words is "one hundred forty-eight million, two hundred three thousand, one hundred forty".
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