Base | Representation |
---|---|
bin | 110000000101… |
… | …1110011010000 |
3 | 1202110000022210 |
4 | 1200023303100 |
5 | 22423323120 |
6 | 2300232120 |
7 | 424213446 |
oct | 140136320 |
9 | 52400283 |
10 | 25214160 |
11 | 13261854 |
12 | 853b640 |
13 | 52ba82a |
14 | 34c4b96 |
15 | 2330ce0 |
hex | 180bcd0 |
25214160 has 80 divisors (see below), whose sum is σ = 80709120. Its totient is φ = 6504960.
The previous prime is 25214153. The next prime is 25214171. The reversal of 25214160 is 6141252.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5746 + ... + 9134.
It is an arithmetic number, because the mean of its divisors is an integer number (1008864).
Almost surely, 225214160 is an apocalyptic number.
25214160 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 25214160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40354560).
25214160 is an abundant number, since it is smaller than the sum of its proper divisors (55494960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25214160 is a wasteful number, since it uses less digits than its factorization.
25214160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3436 (or 3430 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 25214160 is about 5021.3703308957. The cubic root of 25214160 is about 293.2343444684.
It can be divided in two parts, 25 and 214160, that added together give a triangular number (214185 = T654).
The spelling of 25214160 in words is "twenty-five million, two hundred fourteen thousand, one hundred sixty".
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