Base | Representation |
---|---|
bin | 110100011011… |
… | …0110010001100 |
3 | 1220201111120211 |
4 | 1220312302030 |
5 | 24014043442 |
6 | 2421052204 |
7 | 452432053 |
oct | 150666214 |
9 | 56644524 |
10 | 27487372 |
11 | 14574740 |
12 | 9257064 |
13 | 5905423 |
14 | 391739a |
15 | 262e617 |
hex | 1a36c8c |
27487372 has 24 divisors (see below), whose sum is σ = 52899840. Its totient is φ = 12393360.
The previous prime is 27487309. The next prime is 27487373. The reversal of 27487372 is 27378472.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27487373) 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, 3129 + ... + 8047.
It is an arithmetic number, because the mean of its divisors is an integer number (2204160).
Almost surely, 227487372 is an apocalyptic number.
27487372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
27487372 is a deficient number, since it is larger than the sum of its proper divisors (25412468).
27487372 is a wasteful number, since it uses less digits than its factorization.
27487372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5061 (or 5059 counting only the distinct ones).
The product of its digits is 131712, while the sum is 40.
The square root of 27487372 is about 5242.8400700384. The cubic root of 27487372 is about 301.7943280413.
Subtracting from 27487372 its reverse (27378472), we obtain a square (108900 = 3302).
The spelling of 27487372 in words is "twenty-seven million, four hundred eighty-seven thousand, three hundred seventy-two".
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