Base | Representation |
---|---|
bin | 1000011101110101101… |
… | …01110010001100010000 |
3 | 1000210212010220121022200 |
4 | 10032322311302030100 |
5 | 14231224223021344 |
6 | 341345250203200 |
7 | 30005465461554 |
oct | 4167265621420 |
9 | 1023763817280 |
10 | 290897470224 |
11 | 102407046a19 |
12 | 48464b83500 |
13 | 2157c06050a |
14 | 1011827b864 |
15 | 78784cd069 |
hex | 43bad72310 |
290897470224 has 60 divisors (see below), whose sum is σ = 822501807036. Its totient is φ = 95966171136.
The previous prime is 290897470177. The next prime is 290897470319. The reversal of 290897470224 is 422074798092.
It is a happy number.
290897470224 is a `hidden beast` number, since 2 + 90 + 89 + 7 + 470 + 2 + 2 + 4 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 180567204624 + 110330265600 = 424932^2 + 332160^2 .
It is a super-2 number, since 2×2908974702242 (a number of 24 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10399029 + ... + 10426964.
Almost surely, 2290897470224 is an apocalyptic number.
290897470224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
290897470224 is an abundant number, since it is smaller than the sum of its proper divisors (531604336812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290897470224 is a wasteful number, since it uses less digits than its factorization.
290897470224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20826104 (or 20826095 counting only the distinct ones).
The product of its (nonzero) digits is 4064256, while the sum is 54.
The spelling of 290897470224 in words is "two hundred ninety billion, eight hundred ninety-seven million, four hundred seventy thousand, two hundred twenty-four".
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