Base | Representation |
---|---|
bin | 1100110100111… |
… | …1000010010101 |
3 | 10202020101020200 |
4 | 3031033002111 |
5 | 102233113414 |
6 | 5201051113 |
7 | 1222205355 |
oct | 315170225 |
9 | 122211220 |
10 | 53801109 |
11 | 2840762a |
12 | 16026a99 |
13 | b1b959b |
14 | 7206b65 |
15 | 4acb109 |
hex | 334f095 |
53801109 has 6 divisors (see below), whose sum is σ = 77712726. Its totient is φ = 35867400.
The previous prime is 53801101. The next prime is 53801131. The reversal of 53801109 is 90110835.
53801109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 33524100 + 20277009 = 5790^2 + 4503^2 .
It is not a de Polignac number, because 53801109 - 23 = 53801101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53801101) 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 5 ways as a sum of consecutive naturals, for example, 2988942 + ... + 2988959.
It is an arithmetic number, because the mean of its divisors is an integer number (12952121).
Almost surely, 253801109 is an apocalyptic number.
It is an amenable number.
53801109 is a deficient number, since it is larger than the sum of its proper divisors (23911617).
53801109 is a wasteful number, since it uses less digits than its factorization.
53801109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5977907 (or 5977904 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 53801109 is about 7334.9239259859. The cubic root of 53801109 is about 377.5116941541.
The spelling of 53801109 in words is "fifty-three million, eight hundred one thousand, one hundred nine".
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