Base | Representation |
---|---|
bin | 10001011001010… |
… | …01000001101100 |
3 | 101011120111202110 |
4 | 20230221001230 |
5 | 244323420413 |
6 | 22251324020 |
7 | 3421205025 |
oct | 1054510154 |
9 | 334514673 |
10 | 145920108 |
11 | 75405a34 |
12 | 40a50610 |
13 | 24300b79 |
14 | 15545c4c |
15 | cc258c3 |
hex | 8b2906c |
145920108 has 24 divisors (see below), whose sum is σ = 340695040. Its totient is φ = 48609360.
The previous prime is 145920043. The next prime is 145920121. The reversal of 145920108 is 801029541.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24153 + ... + 29583.
Almost surely, 2145920108 is an apocalyptic number.
It is an amenable number.
145920108 is an abundant number, since it is smaller than the sum of its proper divisors (194774932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145920108 is a wasteful number, since it uses less digits than its factorization.
145920108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7677 (or 7675 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 145920108 is about 12079.7395667291. The cubic root of 145920108 is about 526.4676791044.
Adding to 145920108 its reverse (801029541), we get a palindrome (946949649).
The spelling of 145920108 in words is "one hundred forty-five million, nine hundred twenty thousand, one hundred eight".
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