Search a number
-
+
27542230 = 2525110973
BaseRepresentation
bin110100100010…
…0001011010110
31220211021211121
41221010023112
524022322410
62422154154
7453051022
oct151041326
956737747
1027542230
1114601981
12928295a
1359243a1
14392d382
1526409da
hex1a442d6

27542230 has 16 divisors (see below), whose sum is σ = 49778064. Its totient is φ = 10972000.

The previous prime is 27542219. The next prime is 27542239. The reversal of 27542230 is 3224572.

It is a junction number, because it is equal to n+sod(n) for n = 27542195 and 27542204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27542239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2977 + ... + 7996.

It is an arithmetic number, because the mean of its divisors is an integer number (3111129).

Almost surely, 227542230 is an apocalyptic number.

27542230 is a deficient number, since it is larger than the sum of its proper divisors (22235834).

27542230 is a wasteful number, since it uses less digits than its factorization.

27542230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 27542230 is about 5248.0691687515. The cubic root of 27542230 is about 301.9949635872.

It can be divided in two parts, 27542 and 230, that added together give a palindrome (27772).

The spelling of 27542230 in words is "twenty-seven million, five hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 251 502 1255 2510 10973 21946 54865 109730 2754223 5508446 13771115 27542230