[go: up one dir, main page]

Search a number
-
+
27028072 = 233378509
BaseRepresentation
bin110011100011…
…0101001101000
31212212011112201
41213012221220
523404344242
62403145544
7445510021
oct147065150
955764481
1027028072
1114290655
1290752b4
1357a4356
143837c48
15258d4b7
hex19c6a68

27028072 has 8 divisors (see below), whose sum is σ = 50677650. Its totient is φ = 13514032.

The previous prime is 27028003. The next prime is 27028073. The reversal of 27028072 is 27082072.

It can be written as a sum of positive squares in only one way, i.e., 25140196 + 1887876 = 5014^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×270280723 (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27028072.

It is not an unprimeable number, because it can be changed into a prime (27028073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1689247 + ... + 1689262.

Almost surely, 227028072 is an apocalyptic number.

It is an amenable number.

27028072 is a deficient number, since it is larger than the sum of its proper divisors (23649578).

27028072 is a wasteful number, since it uses less digits than its factorization.

27028072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378515 (or 3378511 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 27028072 is about 5198.8529504113. The cubic root of 27028072 is about 300.1039343584.

The spelling of 27028072 in words is "twenty-seven million, twenty-eight thousand, seventy-two".

Divisors: 1 2 4 8 3378509 6757018 13514036 27028072