Base | Representation |
---|---|
bin | 1100001111110… |
… | …00010101011110 |
3 | 21011022011202210 |
4 | 12013320111132 |
5 | 202244312204 |
6 | 14105501250 |
7 | 2355116421 |
oct | 607702536 |
9 | 234264683 |
10 | 102729054 |
11 | 52a9594a |
12 | 2a4a1826 |
13 | 1838aa2c |
14 | d9019b8 |
15 | 9043389 |
hex | 61f855e |
102729054 has 16 divisors (see below), whose sum is σ = 206219520. Its totient is φ = 34116120.
The previous prime is 102729043. The next prime is 102729059. The reversal of 102729054 is 450927201.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102729059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29964 + ... + 33215.
It is an arithmetic number, because the mean of its divisors is an integer number (12888720).
Almost surely, 2102729054 is an apocalyptic number.
102729054 is an abundant number, since it is smaller than the sum of its proper divisors (103490466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102729054 is a wasteful number, since it uses less digits than its factorization.
102729054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63455.
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 102729054 is about 10135.5342237102. The cubic root of 102729054 is about 468.3434271566.
The spelling of 102729054 in words is "one hundred two million, seven hundred twenty-nine thousand, fifty-four".
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