Base | Representation |
---|---|
bin | 10001010111010… |
… | …00100001001110 |
3 | 101011002002022110 |
4 | 20223220201032 |
5 | 244241442021 |
6 | 22241524450 |
7 | 3416024505 |
oct | 1053504116 |
9 | 334062273 |
10 | 145655886 |
11 | 75245472 |
12 | 40943726 |
13 | 2423a81c |
14 | 154b783c |
15 | cbc2476 |
hex | 8ae884e |
145655886 has 8 divisors (see below), whose sum is σ = 291311784. Its totient is φ = 48551960.
The previous prime is 145655869. The next prime is 145655911. The reversal of 145655886 is 688556541.
It is a sphenic number, since it is the product of 3 distinct primes.
145655886 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12137985 + ... + 12137996.
It is an arithmetic number, because the mean of its divisors is an integer number (36413973).
Almost surely, 2145655886 is an apocalyptic number.
145655886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145655886 is a wasteful number, since it uses less digits than its factorization.
145655886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24275986.
The product of its digits is 1152000, while the sum is 48.
The square root of 145655886 is about 12068.7980346015. The cubic root of 145655886 is about 526.1497234099.
The spelling of 145655886 in words is "one hundred forty-five million, six hundred fifty-five thousand, eight hundred eighty-six".
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