Base | Representation |
---|---|
bin | 100111001011… |
… | …010000100011 |
3 | 201022202102102 |
4 | 213023100203 |
5 | 10112112411 |
6 | 1004041015 |
7 | 153201623 |
oct | 47132043 |
9 | 21282372 |
10 | 10269731 |
11 | 588488a |
12 | 353316b |
13 | 2187584 |
14 | 1514883 |
15 | d7cd3b |
hex | 9cb423 |
10269731 has 4 divisors (see below), whose sum is σ = 10286112. Its totient is φ = 10253352.
The previous prime is 10269719. The next prime is 10269739. The reversal of 10269731 is 13796201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10269731 - 26 = 10269667 is a prime.
It is a super-2 number, since 2×102697312 = 210934749624722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10269694 and 10269703.
It is not an unprimeable number, because it can be changed into a prime (10269739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7211 + ... + 8516.
It is an arithmetic number, because the mean of its divisors is an integer number (2571528).
Almost surely, 210269731 is an apocalyptic number.
10269731 is a deficient number, since it is larger than the sum of its proper divisors (16381).
10269731 is an equidigital number, since it uses as much as digits as its factorization.
10269731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16380.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 10269731 is about 3204.6421017018. The cubic root of 10269731 is about 217.3633686288.
The spelling of 10269731 in words is "ten million, two hundred sixty-nine thousand, seven hundred thirty-one".
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