Base | Representation |
---|---|
bin | 101000001110… |
… | …100100010111 |
3 | 201211202121112 |
4 | 220032210113 |
5 | 10144423211 |
6 | 1014005235 |
7 | 155430461 |
oct | 50164427 |
9 | 21752545 |
10 | 10545431 |
11 | 5a52a36 |
12 | 364681b |
13 | 2252c00 |
14 | 1587131 |
15 | dd488b |
hex | a0e917 |
10545431 has 12 divisors (see below), whose sum is σ = 11919888. Its totient is φ = 9307584.
The previous prime is 10545421. The next prime is 10545443. The reversal of 10545431 is 13454501.
It is not a de Polignac number, because 10545431 - 210 = 10544407 is a prime.
It is a super-2 number, since 2×105454312 = 222412229951522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a junction number, because it is equal to n+sod(n) for n = 10545397 and 10545406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10545421) 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 11 ways as a sum of consecutive naturals, for example, 2531 + ... + 5243.
It is an arithmetic number, because the mean of its divisors is an integer number (993324).
Almost surely, 210545431 is an apocalyptic number.
10545431 is a deficient number, since it is larger than the sum of its proper divisors (1374457).
10545431 is a wasteful number, since it uses less digits than its factorization.
10545431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2762 (or 2749 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 10545431 is about 3247.3729382379. The cubic root of 10545431 is about 219.2913215379.
Adding to 10545431 its reverse (13454501), we get a palindrome (23999932).
The spelling of 10545431 in words is "ten million, five hundred forty-five thousand, four hundred thirty-one".
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