Search a number
-
+
27051730 = 2543531187
BaseRepresentation
bin110011100110…
…0011011010010
31212220100222221
41213030123102
523411123410
62403451254
7445636006
oct147143322
955810887
1027051730
11142a7402
129086b2a
1357b2054
143842706
1525954da
hex19cc6d2

27051730 has 32 divisors (see below), whose sum is σ = 50808384. Its totient is φ = 10360896.

The previous prime is 27051721. The next prime is 27051737. The reversal of 27051730 is 3715072.

It is a junction number, because it is equal to n+sod(n) for n = 27051695 and 27051704.

It is not an unprimeable number, because it can be changed into a prime (27051737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22197 + ... + 23383.

It is an arithmetic number, because the mean of its divisors is an integer number (1587762).

Almost surely, 227051730 is an apocalyptic number.

27051730 is a deficient number, since it is larger than the sum of its proper divisors (23756654).

27051730 is a wasteful number, since it uses less digits than its factorization.

27051730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 27051730 is about 5201.1277623223. The cubic root of 27051730 is about 300.1914703636.

The spelling of 27051730 in words is "twenty-seven million, fifty-one thousand, seven hundred thirty".

Divisors: 1 2 5 10 43 53 86 106 215 265 430 530 1187 2279 2374 4558 5935 11395 11870 22790 51041 62911 102082 125822 255205 314555 510410 629110 2705173 5410346 13525865 27051730