Base | Representation |
---|---|
bin | 10001010010110… |
… | …100001100000000 |
3 | 202012221220011000 |
4 | 101102310030000 |
5 | 1043234120044 |
6 | 44442452000 |
7 | 10122122601 |
oct | 2122641400 |
9 | 665856130 |
10 | 290145024 |
11 | 139863284 |
12 | 81204000 |
13 | 4815a260 |
14 | 2a769da8 |
15 | 1a713d69 |
hex | 114b4300 |
290145024 has 144 divisors (see below), whose sum is σ = 924296800. Its totient is φ = 89247744.
The previous prime is 290145017. The next prime is 290145059. The reversal of 290145024 is 420541092.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 88242 + ... + 91470.
Almost surely, 2290145024 is an apocalyptic number.
290145024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 290145024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462148400).
290145024 is an abundant number, since it is smaller than the sum of its proper divisors (634151776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290145024 is a wasteful number, since it uses less digits than its factorization.
290145024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3267 (or 3247 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 290145024 is about 17033.6438849707. The cubic root of 290145024 is about 662.0209131073.
The spelling of 290145024 in words is "two hundred ninety million, one hundred forty-five thousand, twenty-four".
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