Base | Representation |
---|---|
bin | 1101000011001… |
… | …10100010011101 |
3 | 21121222202012212 |
4 | 12201212202131 |
5 | 211011100101 |
6 | 14510210205 |
7 | 2466332030 |
oct | 641464235 |
9 | 247882185 |
10 | 109471901 |
11 | 56880950 |
12 | 307b3965 |
13 | 198abb96 |
14 | 10779017 |
15 | 99261bb |
hex | 686689d |
109471901 has 16 divisors (see below), whose sum is σ = 143669760. Its totient is φ = 80812080.
The previous prime is 109471837. The next prime is 109471913. The reversal of 109471901 is 109174901.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 109471901 - 26 = 109471837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109471001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35951 + ... + 38876.
It is an arithmetic number, because the mean of its divisors is an integer number (8979360).
Almost surely, 2109471901 is an apocalyptic number.
109471901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
109471901 is a deficient number, since it is larger than the sum of its proper divisors (34197859).
109471901 is a wasteful number, since it uses less digits than its factorization.
109471901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74864.
The product of its (nonzero) digits is 2268, while the sum is 32.
The square root of 109471901 is about 10462.8820599298. The cubic root of 109471901 is about 478.3739844398.
The spelling of 109471901 in words is "one hundred nine million, four hundred seventy-one thousand, nine hundred one".
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