Base | Representation |
---|---|
bin | 11110001011100… |
… | …00110111001100 |
3 | 122122101022201100 |
4 | 33011300313030 |
5 | 1004302402400 |
6 | 41042143100 |
7 | 6162621222 |
oct | 1705606714 |
9 | 578338640 |
10 | 253169100 |
11 | 11a9a8768 |
12 | 70951a90 |
13 | 405b2002 |
14 | 258a2b12 |
15 | 1735d100 |
hex | f170dcc |
253169100 has 108 divisors (see below), whose sum is σ = 840274344. Its totient is φ = 63536640.
The previous prime is 253169069. The next prime is 253169107. The reversal of 253169100 is 1961352.
It is not an unprimeable number, because it can be changed into a prime (253169107) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7027 + ... + 23573.
It is an arithmetic number, because the mean of its divisors is an integer number (7780318).
Almost surely, 2253169100 is an apocalyptic number.
253169100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 253169100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420137172).
253169100 is an abundant number, since it is smaller than the sum of its proper divisors (587105244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253169100 is a wasteful number, since it uses less digits than its factorization.
253169100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16584 (or 16574 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The square root of 253169100 is about 15911.2884456288. The cubic root of 253169100 is about 632.6112330214.
It can be divided in two parts, 2531 and 69100, that added together give a triangular number (71631 = T378).
The spelling of 253169100 in words is "two hundred fifty-three million, one hundred sixty-nine thousand, one hundred".
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