Base | Representation |
---|---|
bin | 110100000000… |
… | …0100110001100 |
3 | 1220022020010101 |
4 | 1220000212030 |
5 | 23434443140 |
6 | 2412220444 |
7 | 450516010 |
oct | 150004614 |
9 | 56266111 |
10 | 27265420 |
11 | 14432a06 |
12 | 916a724 |
13 | 58583b0 |
14 | 389a540 |
15 | 25d899a |
hex | 1a0098c |
27265420 has 96 divisors (see below), whose sum is σ = 71801856. Its totient is φ = 8467200.
The previous prime is 27265409. The next prime is 27265453. The reversal of 27265420 is 2456272.
27265420 is a nontrivial binomial coefficient, being equal to C(7385, 2).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129115 + ... + 129325.
It is an arithmetic number, because the mean of its divisors is an integer number (747936).
Almost surely, 227265420 is an apocalyptic number.
27265420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
27265420 is the 7384-th triangular number.
27265420 is the 2462-nd centered nonagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27265420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35900928).
27265420 is an abundant number, since it is smaller than the sum of its proper divisors (44536436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27265420 is a wasteful number, since it uses less digits than its factorization.
27265420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311 (or 309 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 28.
The square root of 27265420 is about 5221.6300137026. The cubic root of 27265420 is about 300.9798333085.
The spelling of 27265420 in words is "twenty-seven million, two hundred sixty-five thousand, four hundred twenty".
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