Base | Representation |
---|---|
bin | 1101000010100… |
… | …10100001001010 |
3 | 21121211120201201 |
4 | 12201102201022 |
5 | 211000434043 |
6 | 14504334414 |
7 | 2465540662 |
oct | 641224112 |
9 | 247746651 |
10 | 109389898 |
11 | 56825282 |
12 | 3077440a |
13 | 19880767 |
14 | 107571a2 |
15 | 990bc4d |
hex | 685284a |
109389898 has 8 divisors (see below), whose sum is σ = 164356992. Its totient is φ = 54604236.
The previous prime is 109389887. The next prime is 109389899. The reversal of 109389898 is 898983901.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1093898982 = 23932299568900808, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (109389899) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43840 + ... + 46267.
It is an arithmetic number, because the mean of its divisors is an integer number (20544624).
Almost surely, 2109389898 is an apocalyptic number.
109389898 is a deficient number, since it is larger than the sum of its proper divisors (54967094).
109389898 is an equidigital number, since it uses as much as digits as its factorization.
109389898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90716.
The product of its (nonzero) digits is 1119744, while the sum is 55.
The square root of 109389898 is about 10458.9625680562. The cubic root of 109389898 is about 478.2545081159.
The spelling of 109389898 in words is "one hundred nine million, three hundred eighty-nine thousand, eight hundred ninety-eight".
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