Base | Representation |
---|---|
bin | 101001010001… |
… | …101001110000 |
3 | 202100201112110 |
4 | 221101221300 |
5 | 10232221313 |
6 | 1023525320 |
7 | 160653540 |
oct | 51215160 |
9 | 22321473 |
10 | 10820208 |
11 | 6120423 |
12 | 3759840 |
13 | 231acb9 |
14 | 1619320 |
15 | e3aec3 |
hex | a51a70 |
10820208 has 40 divisors (see below), whose sum is σ = 31946368. Its totient is φ = 3091392.
The previous prime is 10820203. The next prime is 10820213. The reversal of 10820208 is 80202801.
It is an interprime number because it is at equal distance from previous prime (10820203) and next prime (10820213).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10820203) 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, 15766 + ... + 16437.
Almost surely, 210820208 is an apocalyptic number.
It is an amenable number.
10820208 is an abundant number, since it is smaller than the sum of its proper divisors (21126160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10820208 is a wasteful number, since it uses less digits than its factorization.
10820208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32221 (or 32215 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
The square root of 10820208 is about 3289.4084574586. The cubic root of 10820208 is about 221.1796686664.
The spelling of 10820208 in words is "ten million, eight hundred twenty thousand, two hundred eight".
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