Base | Representation |
---|---|
bin | 1101011111111… |
… | …1010001011000 |
3 | 10221112121012111 |
4 | 3113333101120 |
5 | 103443320440 |
6 | 5341322104 |
7 | 1255156144 |
oct | 327772130 |
9 | 127477174 |
10 | 56620120 |
11 | 29a62597 |
12 | 16b66334 |
13 | b96573b |
14 | 773c224 |
15 | 4e864ea |
hex | 35ff458 |
56620120 has 32 divisors (see below), whose sum is σ = 128595600. Its totient is φ = 22434688.
The previous prime is 56620103. The next prime is 56620129. The reversal of 56620120 is 2102665.
It is a junction number, because it is equal to n+sod(n) for n = 56620091 and 56620100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56620129) 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, 2335 + ... + 10894.
Almost surely, 256620120 is an apocalyptic number.
It is an amenable number.
56620120 is an abundant number, since it is smaller than the sum of its proper divisors (71975480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56620120 is a wasteful number, since it uses less digits than its factorization.
56620120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13347 (or 13343 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 56620120 is about 7524.6342103786. The cubic root of 56620120 is about 383.9932543665.
Adding to 56620120 its reverse (2102665), we get a palindrome (58722785).
The spelling of 56620120 in words is "fifty-six million, six hundred twenty thousand, one hundred twenty".
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