Base | Representation |
---|---|
bin | 1010001111000… |
… | …1101000100001 |
3 | 2222210012200120 |
4 | 2203301220201 |
5 | 41442322034 |
6 | 4132110453 |
7 | 1030631265 |
oct | 243615041 |
9 | 88705616 |
10 | 42932769 |
11 | 22264030 |
12 | 12465429 |
13 | 8b82709 |
14 | 59b80a5 |
15 | 3b80c49 |
hex | 28f1a21 |
42932769 has 32 divisors (see below), whose sum is σ = 66852864. Its totient is φ = 24218880.
The previous prime is 42932767. The next prime is 42932779. The reversal of 42932769 is 96723924.
It is a happy number.
It is not a de Polignac number, because 42932769 - 21 = 42932767 is a prime.
It is a super-2 number, since 2×429327692 = 3686445308014722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 42932769.
It is not an unprimeable number, because it can be changed into a prime (42932767) 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 31 ways as a sum of consecutive naturals, for example, 57412 + ... + 58154.
It is an arithmetic number, because the mean of its divisors is an integer number (2089152).
Almost surely, 242932769 is an apocalyptic number.
It is an amenable number.
42932769 is a deficient number, since it is larger than the sum of its proper divisors (23920095).
42932769 is a wasteful number, since it uses less digits than its factorization.
42932769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 877.
The product of its digits is 163296, while the sum is 42.
The square root of 42932769 is about 6552.3102032795. The cubic root of 42932769 is about 350.1571240103.
The spelling of 42932769 in words is "forty-two million, nine hundred thirty-two thousand, seven hundred sixty-nine".
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