Base | Representation |
---|---|
bin | 101000010000… |
… | …111101011111 |
3 | 201212021001111 |
4 | 220100331133 |
5 | 10200231411 |
6 | 1014122451 |
7 | 155501161 |
oct | 50207537 |
9 | 21767044 |
10 | 10555231 |
11 | 5a5a335 |
12 | 3650427 |
13 | 22574cb |
14 | 158a931 |
15 | dd7721 |
hex | a10f5f |
10555231 has 2 divisors, whose sum is σ = 10555232. Its totient is φ = 10555230.
The previous prime is 10555219. The next prime is 10555271. The reversal of 10555231 is 13255501.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 10555231 - 25 = 10555199 is a prime.
It is a super-2 number, since 2×105552312 = 222825802926722, which contains 22 as substring.
It is a nialpdrome in base 15.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10555211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277615 + 5277616.
It is an arithmetic number, because the mean of its divisors is an integer number (5277616).
Almost surely, 210555231 is an apocalyptic number.
10555231 is a deficient number, since it is larger than the sum of its proper divisors (1).
10555231 is an equidigital number, since it uses as much as digits as its factorization.
10555231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 750, while the sum is 22.
The square root of 10555231 is about 3248.8814998396. The cubic root of 10555231 is about 219.3592305556.
The spelling of 10555231 in words is "ten million, five hundred fifty-five thousand, two hundred thirty-one".
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