Base | Representation |
---|---|
bin | 1101000100010… |
… | …11110001000101 |
3 | 21122021111101120 |
4 | 12202023301011 |
5 | 211030440024 |
6 | 14513344153 |
7 | 2500535430 |
oct | 642136105 |
9 | 248244346 |
10 | 109624389 |
11 | 56975476 |
12 | 30868059 |
13 | 19933404 |
14 | 107b8817 |
15 | 9956479 |
hex | 688bc45 |
109624389 has 16 divisors (see below), whose sum is σ = 168611328. Its totient is φ = 62055792.
The previous prime is 109624373. The next prime is 109624399. The reversal of 109624389 is 983426901.
It is not a de Polignac number, because 109624389 - 24 = 109624373 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 109624389.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109624309) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22147 + ... + 26640.
It is an arithmetic number, because the mean of its divisors is an integer number (10538208).
Almost surely, 2109624389 is an apocalyptic number.
It is an amenable number.
109624389 is a deficient number, since it is larger than the sum of its proper divisors (58986939).
109624389 is a wasteful number, since it uses less digits than its factorization.
109624389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48904.
The product of its (nonzero) digits is 93312, while the sum is 42.
The square root of 109624389 is about 10470.1666175854. The cubic root of 109624389 is about 478.5959971136.
It can be divided in two parts, 10962 and 4389, that added together give a palindrome (15351).
The spelling of 109624389 in words is "one hundred nine million, six hundred twenty-four thousand, three hundred eighty-nine".
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