Base | Representation |
---|---|
bin | 1101100100001… |
… | …1001011101000 |
3 | 10222001201202201 |
4 | 3121003023220 |
5 | 104031221110 |
6 | 5351305544 |
7 | 1260425125 |
oct | 331031350 |
9 | 128051681 |
10 | 56898280 |
11 | 2a13257a |
12 | 1707b2b4 |
13 | ba3222a |
14 | 77b174c |
15 | 4eddb3a |
hex | 36432e8 |
56898280 has 32 divisors (see below), whose sum is σ = 128240640. Its totient is φ = 22720320.
The previous prime is 56898277. The next prime is 56898287. The reversal of 56898280 is 8289865.
It is a happy number.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 56898280.
It is not an unprimeable number, because it can be changed into a prime (56898287) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37945 + ... + 39415.
It is an arithmetic number, because the mean of its divisors is an integer number (4007520).
Almost surely, 256898280 is an apocalyptic number.
It is an amenable number.
56898280 is an abundant number, since it is smaller than the sum of its proper divisors (71342360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56898280 is a wasteful number, since it uses less digits than its factorization.
56898280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2449 (or 2445 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 46.
The square root of 56898280 is about 7543.0948555616. The cubic root of 56898280 is about 384.6210472602.
The spelling of 56898280 in words is "fifty-six million, eight hundred ninety-eight thousand, two hundred eighty".
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