Base | Representation |
---|---|
bin | 10001101010011… |
… | …10011111000010 |
3 | 101022210211222100 |
4 | 20311032133002 |
5 | 300412430230 |
6 | 22411451230 |
7 | 3446300343 |
oct | 1065163702 |
9 | 338724870 |
10 | 148170690 |
11 | 76702918 |
12 | 41756b16 |
13 | 2490b385 |
14 | 159700ca |
15 | d01c660 |
hex | 8d4e7c2 |
148170690 has 48 divisors (see below), whose sum is σ = 394213248. Its totient is φ = 38592288.
The previous prime is 148170677. The next prime is 148170707. The reversal of 148170690 is 96071841.
148170690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1481706902 = 43909106750152200, which contains 22 as substring.
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, 15274 + ... + 23013.
It is an arithmetic number, because the mean of its divisors is an integer number (8212776).
Almost surely, 2148170690 is an apocalyptic number.
148170690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
148170690 is an abundant number, since it is smaller than the sum of its proper divisors (246042558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148170690 is a wasteful number, since it uses less digits than its factorization.
148170690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38343 (or 38340 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 148170690 is about 12172.5383548379. The cubic root of 148170690 is about 529.1605198479.
The spelling of 148170690 in words is "one hundred forty-eight million, one hundred seventy thousand, six hundred ninety".
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