Base | Representation |
---|---|
bin | 110011101000… |
… | …1100010000001 |
3 | 1212221102200102 |
4 | 1213101202001 |
5 | 23412311031 |
6 | 2404132145 |
7 | 446053661 |
oct | 147214201 |
9 | 55842612 |
10 | 27072641 |
11 | 14311092 |
12 | 9097055 |
13 | 57bb71b |
14 | 384a1a1 |
15 | 259b7cb |
hex | 19d1881 |
27072641 has 8 divisors (see below), whose sum is σ = 28702464. Its totient is φ = 25490160.
The previous prime is 27072607. The next prime is 27072649. The reversal of 27072641 is 14627072.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-27072641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (27072649) 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, 10655 + ... + 12948.
It is an arithmetic number, because the mean of its divisors is an integer number (3587808).
Almost surely, 227072641 is an apocalyptic number.
It is an amenable number.
27072641 is a deficient number, since it is larger than the sum of its proper divisors (1629823).
27072641 is a wasteful number, since it uses less digits than its factorization.
27072641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23671.
The product of its (nonzero) digits is 4704, while the sum is 29.
The square root of 27072641 is about 5203.1376110958. The cubic root of 27072641 is about 300.2687998243.
The spelling of 27072641 in words is "twenty-seven million, seventy-two thousand, six hundred forty-one".
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